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Liebowitz social anxiety scale

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The Liebowitz Social Anxiety Scale ( LSAS ) is a short questionnaire developed in 1987 by Michael Liebowitz , a psychiatrist and researcher at Columbia University and the New York State Psychiatric Institute . Its purpose is to assess the range of social interaction and performance situations feared by a patient in order to assist in the diagnosis of social anxiety disorder . It is commonly used to study outcomes in clinical trials and, more recently, to evaluate the effectiveness of cognitive-behavioral treatments. The scale features 24 items, which are divided into two subscales. 13 questions relate to performance anxiety and 11 concern social situations. The LSAS was originally conceptualized as a clinician-administered rating scale, but has since been validated as a self-report scale.

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91-576: To assess social phobia, psychologists and clinicians need to distinguish between performance anxiety and social interaction anxiety in order to make an accurate diagnosis. Social phobia was included in the Diagnostic and Statistical Manual of Mental Disorders, third edition (DSM-III). In the DSM-III-R and DSM-IV revisions, further expansion of the social phobia definition were included to better assess fears in social-interaction situations. Social phobia

182-589: A Likert Scale from 0 to 3 on fear felt during the situations, and then the same items are rated regarding avoidance of the situation. Combining the total scores for the Fear and Avoidance sections provides an overall score with a maximum of 144 points. The clinician administered version of the test has four more subscale scores, which the self-administered test does not have. These additional four subscales are: fear of social interaction, fear of performance, avoidance of social interaction and avoidance of performance. Usually,

273-453: A 'better' response than the preceding value. (This may differ in cases where reverse ordering of the Likert scale is needed). The second, and possibly more important point, is whether the "distance" between each successive item category is equivalent, which is inferred traditionally. For example, in the above five-point Likert item, the inference is that the 'distance' between category 1 and 2

364-546: A broad scope in assessment of both social interactions and performance/observation situations. Since its invention, the LSAS has been used in many cognitive-behavioral treatments of social phobia. The LSAS is the most frequently used form of social anxiety assessment in research, clinical-based, and pharmacotherapy studies. The scale is composed of 24 items divided into 2 subscales, 13 concerning performance anxiety, and 11 pertaining to social situations. The 24 items are first rated on

455-474: A couch, she was cared for by her mother until purchasing a house and hiring a nurse to aid her. She next moved downriver to Tynemouth where she regained her health. She stayed at Mrs Halliday's boarding-house, 57 Front Street, for nearly five years from 16 March 1840. The establishment is still open as a guest house today, now named the "Martineau Guest House" in her honor. The critic Diana Postlethwaite wrote of this period for Martineau: Being homebound

546-552: A deeper interest in the Bible. Up until her brother James, who was born when she was 3 years old, went off to college at the Manchester New College of York in 1821 ( Harris Manchester College, Oxford ), she did not write often. James and Harriet had a great relationship, so James had suggested that Harriet begin writing as a way to cope with their new separation. Martineau began losing her senses of taste and smell at

637-793: A full discussion see Baker and Cox. Research has also established the structural validity and other metric qualities (i.e., internal reliability, test-retest) of the French adaptation of the LSAS-SR. Similarly to the regular LSAS, the LSAS-CA also has a clinician administered version of the rest and a self-report version (LSAS-CA-SR). In the clinician administered version, subjects with social anxiety disorder had significantly higher LSAS-CA scores than subjects with other anxiety disorders and healthy controls. The study also showed high internal consistency and high test-retest reliability. The self-report version of

728-816: A historical plaque marks this house. In 1841 she published a series of four novels for children, The Playfellow , comprising The Settlers at Home , The Peasant and the Prince , Feats on the Fiord , and The Crofton Boys . In 1844 she published Life in the Sickroom: Essays by an Invalid, an autobiographical reflection on invalidism. She wrote Household Education (1848), the handbook on the "proper" way to raise and educate children. Lastly, she began working on her autobiography. Completed much later, it included some hundred pages on this period. Notable visitors included Richard Cobden and Thomas and Jane Carlyle. Life in

819-532: A letter, She was very agreeable and managed to talk on a most wonderful number of subjects, considering the limited time. I was astonished to find how little ugly she is, but as it appears to me, she is overwhelmed with her own projects, her own thoughts and own abilities. Erasmus palliated all this, by maintaining one ought not to look at her as a woman. Significantly, Martineau's earlier popularization of Thomas Malthus ' theories of population control may have helped convince Charles to read Malthus, which provided

910-577: A long visit to the United States; she and her travelling companions spanning the nation from New York to Boston , and from Chicago through to Atlanta and elsewhere in Georgia . During this time, she visited a great many people, some little known, others as famous as James Madison , the former US president, at his home at Montpelier . She also met numerous abolitionists in Boston and studied

1001-425: A positive outcome. On the other hand, even if a researcher presents what he or she believes are equidistant categories, it may not be interpreted as such by the respondent. A good Likert scale, as above, will present a symmetry of categories about a midpoint with clearly defined linguistic qualifiers. In such symmetric scaling, equidistant attributes will typically be more clearly observed or, at least, inferred. It

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1092-414: A scale proper, which emerges from collective responses to a set of items (usually eight or more), and the format in which responses are scored along a range. Technically speaking, a Likert scale refers only to the former. The difference between these two concepts has to do with the distinction Likert made between the underlying phenomenon being investigated and the means of capturing variation that points to

1183-426: A self-report measure (LSAS-SR). Studies by Baker and colleagues have shown a high reliability and validity to the self-report questionnaire, consistent with the clinician-administered version of the LSAS, with the only exception being the fear subscale of performance situations. All subscales measures show high test-retest reliability. However, some differences did exist between clinician and the self-report measures. For

1274-401: A set of such items that are highly correlated (that show high internal consistency ) but also that together will capture the full domain under study (which requires less-than perfect correlations). Others hold to a standard by which "All items are assumed to be replications of each other or in other words items are considered to be parallel instruments". By contrast, modern test theory treats

1365-559: A sewing needle" as well as the (hidden) pen. In the Martineau family, Harriet's mother Elizabeth made sure all her children received a proper education. With the Martineaus being Unitarian, both the boys and girls in the family were expected to receive a conventional education. In order to abide by this well-rounded education, Harriet was taught at home by several of her elder siblings in the beginning of her education journey. Harriet

1456-410: A statement. Sometimes an even-point scale is used, where the middle option of "neither agree nor disagree" is not available. This is sometimes called a "forced choice" method, since the neutral option is removed. The neutral option can be seen as an easy option to take when a respondent is unsure, and so whether it is a true neutral option is questionable. A 1987 study found negligible differences between

1547-986: A variety of topics. Martineau's frequent publication in the Repository acquainted her with editor Rev. William Johnson Fox (not William Darwin Fox, see disambiguation). First coming to London around 1830, Martineau joined Fox's social circle of prominent thinkers, which also introduced her to Erasmus Alvey Darwin , older brother to Charles Darwin. In November 1832, Martineau moved to London. Among her acquaintances were: Henry Hallam , Harriet Taylor , Alexander Maconochie , Henry Hart Milman , Thomas Malthus , Monckton Milnes , Sydney Smith , John Stuart Mill , Edward Bulwer-Lytton , Elizabeth Barrett Browning , Sarah Austin , and Charles Lyell , as well as Jane Welsh Carlyle and Thomas Carlyle . She met Florence Nightingale , Charlotte Brontë , George Eliot and Charles Dickens later on in her literary career. Until 1834, Martineau

1638-439: A woman was suggesting such a position in the power dynamic, critics suggested that, as she was an invalid, her mind must also be sick and the work was not to be taken seriously. British and Foreign Medical Review dismissed Martineau's piece on the same basis as the critics: an ill person cannot write a healthy work. They thought it was unheard of for a woman to suggest being in a position of control, especially in sickness. Instead,

1729-413: A writer and her father's business failure, which she describes as "one of the best things that ever happened to us". She described how she could then "truly live instead of vegetate". Her reflection emphasizes her experience with financial responsibility in her life while she writes "[her] fusion of literary and economic narratives". Harriet's first commissioned book, Illustrations of Political Economy ,

1820-491: A young age. She was deaf and having to use an ear trumpet at the young age of 12. However, it was said that Harriet did not actually utilize the ear trumpet until her late twenties as she was trying to avoid harassment from others by doing so. It was the beginning of many health problems in her life. With such an early onset of illness, and the passing of her father, requiring her to make a living for herself, she became an avid writer. In 1821, she began to write anonymously for

1911-480: Is a psychometric scale named after its inventor, American social psychologist Rensis Likert , which is commonly used in research questionnaires . It is the most widely used approach to scaling responses in survey research, such that the term (or more fully the Likert-type scale ) is often used interchangeably with rating scale , although there are other types of rating scales. Likert distinguished between

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2002-434: Is a major part of the process of becoming feminine. In this interior setting she (Martineau) is taught the home arts of working, serving, and cleaning, as well as the rehearsals for the role of mothering. She sees her mother... doing these things. They define femininity for her. Her illness caused her to literally enact the social constraints of women during this time. Martineau wrote a number of books during her illness, and

2093-685: Is characterized by fear of most social/performance situations. Heimberg et al. (1992) found that scores on the Liebowitz Social Anxiety Scale were significantly correlated with scores of two other scales, which had demonstrated significant reliability and validity in several studies before. Those two scales are the Social Phobia Scale and the Social Interaction Anxiety Scale . In another study, Heimberg et al. (1999) also found that

2184-442: Is confined by an unjustifiable restriction of... education... As women have none of the objects in life for which an enlarged education is considered requisite, the education is not given... The choice is to either be 'ill-educated, passive, and subservient, or well-educated, vigorous, and free only upon sufferance. The publication of Martineau's Illustrations of Political Economy found public success. So much success that, "by 1834,

2275-450: Is defined by a persistent fear of embarrassment or negative evaluation while engaged in social interaction or public performance. However, lack of empirical data made it difficult to differentiate and relate different types of feared situations and social interactions. The Liebowitz Social Anxiety Scale (LSAS) was the first clinician-administered scale developed for the assessment of fear and avoidance associated with social phobia. The LSAS has

2366-615: Is itself sometimes erroneously referred to as being or having a scale, with this error creating pervasive confusion in the literature and parlance of the field. A Likert item is simply a statement that the respondent is asked to evaluate by giving it a quantitative value on any kind of subjective or objective dimension, with level of agreement/disagreement being the dimension most commonly used. Well-designed Likert items exhibit both "symmetry" and "balance". Symmetry means that they contain equal numbers of positive and negative positions whose respective distances apart are bilaterally symmetric about

2457-535: Is part of her doctrine. I much doubt whether it will be equality in practice. The Darwins shared Martineau's Unitarian background and Whig politics, but their father Robert was concerned that, as a potential daughter-in-law, she was too extreme in her politics. Charles noted that his father was upset by a piece in the Westminster Review calling for the radicals to break with the Whigs and give working men

2548-450: Is recommended over the standard Wilcoxon signed-rank test . Responses to several Likert questions may be summed providing that all questions use the same Likert scale and that the scale is a defensible approximation to an interval scale, in which case the central limit theorem allows treatment of the data as interval data measuring a latent variable. If the summed responses fulfill these assumptions, parametric statistical tests such as

2639-414: Is simply determined by the researcher designing the survey, who makes the decision based on a desired level of detail. However, by convention Likert items tend to be assigned progressive positive integer values. Likert scales typically range from 2 to 10 – with 3, 5, or, 7 being the most common. Further, this progressive structure of the scale is such that each successive Likert item is treated as indicating

2730-598: Is so very plain; otherwise I should be frightened: She is a wonderful woman. Martineau wrote Deerbrook (1838), a three-volume novel published after her American books. She portrayed a failed love affair between a physician and his sister-in-law. It was considered her most successful novel. She also wrote The Hour and the Man: An Historical Romance (1841), a three-volume novel about the Haitian slave leader Toussaint L'Ouverture , who contributed to

2821-517: Is that the appropriate type of analysis is dependent on how the Likert scale has been presented. The validity of such measures depends on the underlying interval nature of the scale. If interval nature is assumed for a comparison of two groups, the paired samples t -test is not inappropriate. If non-parametric tests are to be performed the Pratt (1959) modification to the Wilcoxon signed-rank test

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2912-449: Is the same as between category 3 and 4. In terms of good research practice, an equidistant presentation by the researcher is important; otherwise a bias in the analysis may result. For example, a four-point Likert item with categories "Poor", "Average", "Good", and "Very Good" is unlikely to have all equidistant categories since there is only one category that can receive a below-average rating. This would arguably bias any result in favor of

3003-503: Is to summarize them via a latent variable model , for example using factor analysis or item response theory . Likert scale data can, in principle, be used as a basis for obtaining interval level estimates on a continuum by applying the polytomous Rasch model , when data can be obtained that fit this model. In addition, the polytomous Rasch model permits testing of the hypothesis that the statements reflect increasing levels of an attitude or trait, as intended. For example, application of

3094-566: Is very probable. Scores in this range are typical of persons entering treatment for the generalized type of SAD. Scores higher than 90 indicate that SAD is highly probable. Scores in this range often are accompanied by great distress and difficulty in social functioning, and are also commonly seen in persons entering treatment for the generalized type of SAD. The specific subtype of social anxiety disorder involves fear of one or several kinds of social/performance situations (often public speaking.) The generalized subtype of social anxiety disorder

3185-460: Is when a Likert scale is symmetric and equidistant that it will behave more like an interval-level measurement. So while a Likert scale is indeed ordinal , if well presented it may nevertheless approximate an interval-level measurement. This can be beneficial since, if it was treated just as an ordinal scale, then some valuable information could be lost if the 'distance' between Likert items were not available for consideration. The important idea here

3276-537: The Monthly Repository , a Unitarian periodical. Her first contribution was "Female Writers of Practical Divinity," and in 1823 she published Devotional Exercises and Addresses, Prayers and Hymns . The year 1823 was the same year that Harriet's brother James introduced her to one of his friends from school, John Hugh Worthington. The two were engaged, however never married as Worthington fell ill and died. Martineau later reveals in her autobiography that she

3367-613: The Gurney family of Earlham Hall , Norfolk . Harriet's father, Thomas, owned the leasehold of the Gurney's home, Gurney Court, Harriet's birth place. The family's wealth remained intact until around 1825–26 when the stock market and banking system collapsed. As previously mentioned Harriet and her mother's relationship was quite hostile early on. It was a traditional gesture for mothers to hire wet nurses for their children, especially if they could not nurse their child by themselves. However

3458-533: The Lake District , where she designed herself and oversaw the construction of the house called The Knoll, Ambleside (made a Grade II Listed Building in 1974 ), where she spent the greater part of her later life. Although she was single and had no children she believed that: "No true woman, married or single, can be happy without some sort of domestic life; – without having somebody's happiness dependent on her: and my own ideal of an innocent and happy life

3549-549: The Review recommended that patients follow "unconditional submission" to the advice of doctors. They disagreed with the idea that Martineau might hold any sort of "authority to Britain's invalids". Expecting to remain an invalid for the rest of her life, Martineau delighted in the new freedom of views using her telescope . Across the Tyne was the sandy beach "where there are frequent wrecks — too interesting to an invalid... and above

3640-720: The abolitionist movement has seen Martineau's celebrity and achievements studied world-wide, particularly at American institutions of higher education such as Northwestern University . When unveiling a statue of Martineau in December 1883 at the Old South Meeting House in Boston , Wendell Phillips referred to her as the "greatest American abolitionist". Martineau's statue was gifted to Wellesley College in 1886. Born in Norwich , England, Harriet Martineau

3731-585: The analysis of variance can be applied. Typical cutoffs for thinking that this approximation will be acceptable is a minimum of four and preferably eight items in the sum. To model binary Likert responses directly, they may be represented in a binomial form by summing agree and disagree responses separately. The chi-squared , Cochran's Q test , or McNemar test are common statistical procedures used after this transformation. Non-parametric tests such as chi-squared test , Mann–Whitney test , Wilcoxon signed-rank test , or Kruskal–Wallis test . are often used in

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3822-542: The voyage of the Beagle , Charles Darwin went to London to stay with his brother Erasmus . He found him spending his days "driving out Miss Martineau", who had returned from her trip to the United States. Charles wrote to his sister: Our only protection from so admirable a sister-in-law is in her working him too hard." He commented, "She already takes him to task about his idleness — She is going some day to explain to him her notions about marriage — Perfect equality of rights

3913-451: The "neutral"/zero value (whether or not that value is presented as a candidate). Balance means that the distance between each candidate value is the same, allowing for quantitative comparisons such as averaging to be valid across items containing more than two candidate values. The format of a typical five-level Likert item, for example, could be: Likert scaling is a bipolar scaling method , measuring either positive or negative response to

4004-575: The LSAS is closely related to other scales, including the HRSD, BDI and the HAMA. Research found that the internal consistency of the LSAS is high, too. In a large study, LSAS scores were compared with scores for Total fear, Fear of social interaction, Fear of performance, Total avoidance, Avoidance of social interaction and Avoidance of performance. Scores for total fear and social interaction were extremely high with correlations of .94 and .92, respectively. It

4095-844: The Scale has been extensively tested on the Spanish population, with results high in validity and reliability. They also found significant differences in the scores for some sub-scales (total fear) between males and females. Recent studies have also established the structural validity of the French version of the test, including reliable internal consistency and other psychometric properties. Likert scale 1800s: Martineau · Tocqueville  ·  Marx ·  Spencer · Le Bon · Ward · Pareto ·  Tönnies · Veblen ·  Simmel · Durkheim ·  Addams ·  Mead · Weber ·  Du Bois ·  Mannheim · Elias A Likert scale ( / ˈ l ɪ k ər t / LIK -ərt , )

4186-464: The Sickroom is considered to be one of Martineau's finest works. It upset evangelical readers, as they "thought it dangerous in 'its supposition of self-reliance'". This series of essays embraced traditional womanhood. Martineau dedicated it to Elizabeth Barrett , as it was "an outpouring of feeling to an idealized female alter ego, both professional writer and professional invalid- and utterly unlike

4277-482: The air comes in through my open upper sash brisk, but sun-warmed. The robins twitter and hop in my flower-boxes... And at night, what a heaven! What an expanse of stars above, appearing more steadfast, the more the Northern Lights dart and quiver! During her illness, she for a second time declined a pension on the civil list , fearing to compromise her political independence. After publication of her letter on

4368-684: The analysis of Likert scale data. Alternatively, Likert scale responses can be analyzed with an ordered probit model, preserving the ordering of responses without the assumption of an interval scale. The use of an ordered probit model can prevent errors that arise when treating ordered ratings as interval-level measurements. Consensus-based assessment (CBA) can be used to create an objective standard for Likert scales in domains where no generally accepted or objective standard exists. Consensus-based assessment (CBA) can be used to refine or even validate generally accepted standards. A common practice for analyzing responses to collections of Likert scale items

4459-462: The breakthrough ideas for his nascent theory of evolution. In April 1838, Charles wrote to his older sister Susan that Erasmus has been with her noon, morning, and night: — if her character was not as secure, as a mountain in the polar regions she certainly would lose it. — Lyell called there the other day & there was a beautiful rose on the table, & she coolly showed it to him & said 'Erasmus Darwin' gave me that. — How fortunate it is, she

4550-593: The characteristics of their author's style. Tory paternalists reacted by calling her a Malthusian "who deprecates charity and provision for the poor", while Radicals opposed her to the same degree. Whig high society fêted her. In May 1834 Charles Darwin , on his expedition to the Galapagos Islands , received a letter from his sisters saying that Martineau was "now a great Lion in London, much patronized by Ld. Brougham who has set her to write stories on

4641-450: The difficulty of each item (the ICCs ) as information to be incorporated in scaling items. A Likert scale is the sum of responses on several Likert item s. Because many Likert scales pair each constituent Likert item with its own instance of a visual analogue scale (e.g., a horizontal line, on which the subject indicates a response by circling or checking tick-marks), an individual item

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4732-513: The direct influence of one mind on another mind. Mesmerism was designed to make invisible forces augment the mental powers of the mesmeric object." Martineau eventually published an account of her case in 16 Letters on Mesmerism , which caused much discussion. Her work led to friction with "the natural prejudices of a surgeon and a surgeon's wife" (i.e., her brother-in-law, Thomas Michael Greenhow and her sister, Elizabeth Martineau Greenhow ). In 1845, Martineau left Tynemouth for Ambleside in

4823-458: The emerging schools for the education of girls. Her support of abolitionism , then widely unpopular across the U.S., caused controversy, which her publication, soon after her return, of Society in America (1837) and How to Observe Morals and Manners (1838), only fueled. In Society in America , Martineau angrily criticized the state of women's education. She wrote: The intellect of women

4914-501: The equal distance assumption many researchers believe are required for parametric statistical procedures and tests. Rensis Likert , the developer of the scale, pronounced his name / ˈ l ɪ k ər t / LIK -ərt . Some have claimed that Likert's name "is among the most mispronounced in [the] field", because many people pronounce the name of the scale as / ˈ l aɪ k ər t / LY -kərt . Harriet Martineau Harriet Martineau (12 June 1802 – 27 June 1876)

5005-561: The free-market ideas of Adam Smith and others throughout the British Empire . Martineau then agreed to compose a series of similar monthly stories over a period of two years, the work being hastened by having her brother James also work on the series with her. The subsequent works offered fictional tutorials on a range of political economists such as James Mill , Bentham and Ricardo , the latter especially forming her view of rent law. Martineau relied on Malthus to form her view of

5096-426: The idea of domestic realism . Martineau's ideas in the novel were inspired by the works of David Hartley . This novel in particular was different from her other works as her development was evident. Her development included both her improvement of fictional writing, but also showed mastery of the theories she wrote about. In the early 19th century, most social institutions and norms were strongly shaped by gender, or

5187-540: The island nation's gaining independence in 1804. In 1839, during a visit to Continental Europe , Martineau was diagnosed with a uterine tumor. She several times visited her brother-in-law, Thomas Michael Greenhow , who was a celebrated doctor in Newcastle upon Tyne , to try to alleviate her symptoms. On the last occasion she stayed for six months in the Greenhow family house at 28 Eldon Square. Immobile and confined to

5278-510: The model often indicates that the neutral category does not represent a level of attitude or trait between the disagree and agree categories. Not every set of Likert scaled items can be used for Rasch measurement. The data has to be thoroughly checked to fulfill the strict formal axioms of the model. However, the raw scores are the sufficient statistics for the Rasch measures, a deliberate choice by Georg Rasch , so, if you are prepared to accept

5369-610: The money to build a house of her own rather than pay for something she did not love. The next place Martineau was brought to look at was the land of a minister at Ambleside called the Knoll. She ended up getting a great deal for the original plot of land and a bonus plot. The next task she took on was actually planning the layout of the house, which found very enjoyable. When the actual act of constructing came around, she and her contractor were on very good terms and understood each other's expectations, in terms of payment and time commitments. It

5460-486: The monthly sales . . . had reached 10,000 in a decade in which a sale of 2,000 or 3,000 copies of a work of fiction was considered highly successful." Her article "The Martyr Age of the United States" (1839), in the Westminster Review , introduced English readers to the struggles of the abolitionists in America several years after Britain had abolished slavery . In October 1836, soon after returning from

5551-464: The most applicable methods. This disagreement can be traced back, in many respects, to the extent to which Likert items are interpreted as being ordinal data. There are two primary considerations in this discussion. First, Likert scales are arbitrary. The value assigned to a Likert item has no objective numerical basis, either in terms of measure theory or scale (from which a distance metric can be determined). The value assigned to each Likert item

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5642-636: The ordinal scale level in Likert scales. For example, in a set of items A ,  B ,  C rated with a Likert scale circular relations like A  >  B , B  >  C and C  >  A can appear. This violates the axiom of transitivity for the ordinal scale. Research by Labovitz and Traylor provide evidence that, even with rather large distortions of perceived distances between scale points, Likert-type items perform closely to scales that are perceived as equal intervals. So these items and other equal-appearing scales in questionnaires are robust to violations of

5733-415: The perception of what was appropriate for men versus for women. Writing was no exception; non-fiction works about social, economic and political issues were dominated by men, while limited areas, such as romance fiction, and topics dealing with domesticity were considered to be appropriate for women authors. Despite these gendered expectations in the literary world, Martineau strongly expressed her opinions on

5824-409: The poor Laws " and recommending Poor Laws and Paupers Illustrated in pamphlet -sized parts. They added that their brother Erasmus "knows her & is a very great admirer & every body reads her little books & if you have a dull hour you can, and then throw them overboard, that they may not take up your precious room". In 1834–36, after completing the economic series, Harriet Martineau paid

5915-449: The questionnaire is completed, each item may be analyzed separately or in some cases item responses may be summed to create a score for a group of items. Hence, Likert scales are often called summative scales. Whether individual Likert items can be considered as interval-level data, or whether they should be treated as ordered-categorical data is the subject of considerable disagreement in the literature, with strong convictions on what are

6006-450: The raw scores as valid, then you can also accept the Rasch measures as valid. An important part of data analysis and presentation is the visualization (or plotting) of data. The subject of plotting Likert (and other) rating data is discussed at length in two papers by Robbins and Heiberger. In the first they recommend the use of what they call diverging stacked bar charts and compare them to other plotting styles. The second paper describes

6097-424: The rocks, a spreading heath, where I watch troops of boys flying their kites; lovers and friends taking their breezy walks on Sundays..." She expressed a lyrical view of Tynemouth: When I look forth in the morning, the whole land may be sheeted with glittering snow, while the myrtle-green sea swells and tumbles... there is none of the deadness of winter in the landscape; no leafless trees, no locking up with ice; and

6188-492: The same time opposed female pedantics "with a sharp eye for feminine propriety and good manners. Her daughters could never be seen in public with a pen in their hand". Despite this conservative approach to raising girls, Harriet was not the only academically successful daughter in the family; her sister Rachel ran her own Unitarian academy with artist Hilary Bonham Carter as one of her students. Mrs. Martineau strictly enforced proper feminine behavior, pushing her daughter to "hold

6279-440: The specific wet nurse that Harriet's mother had hired could not produce a sufficient amount of milk for an infant. This left Harriet starved for the first few weeks of her life, which is what Mrs. Martineau had attributed all of Harriet's future ailments to. Harriet's ideas on domesticity and the "natural faculty for housewifery", as described in her book Household Education (1848), stemmed from her lack of nurture growing up. It

6370-409: The subject, some of her friends raised a small annuity for her soon after. In 1844, Martineau underwent a course of mesmerism , returning to health after a few months. There was national interest in mesmerism at this time. Also known as "animal magnetism", it can be defined as a "loosely grouped set of practices in which one person influenced another through a variety of personal actions, or through

6461-444: The sum of the total fear and total avoidance scores are used in determining the final score (thus, essentially it uses the same numbers as the self-administered test). Research supports a cut-off point of 30 , in which SAD is unlikely. The next cut-off point is at 60 , at which SAD is probable. Scores in this range are typical of persons entering treatment for the non-generalized type of SAD. Scores between 60 and 90 indicate that SAD

6552-461: The tendency of human population to exceed its means of subsistence. However, in stories such as "Weal and Woe in Garvelock", she promoted the idea of population control through what Malthus referred to as "voluntary checks" such as voluntary chastity and delayed marriages. One of Martineau's most popular works of fiction was Deerbrook (1839). The book drew much attention because it focused on

6643-504: The tradition of the English Dissenters . According to the writer Diana Postlethwaite, Harriet's relationship with her mother was strained and lacking affection, which contributed to views expressed in her later writing. Martineau claimed her mother abandoned her to a wet nurse . Harriet's childhood was rather different compared to any other ordinary child. Her family was financially comfortable and they were close friends with

6734-612: The traditional roles of feminine propriety to earn a living for her family. Along with her needlework, she began selling her articles to the Monthly Repository , earning accolades, including three essay prizes from the Unitarian Association . Her regular work with the Repository helped establish her as a reliable and popular freelance writer. In Martineau's Autobiography , she reflects on her success as

6825-508: The underlying phenomenon. When responding to a Likert item, respondents specify their level of agreement or disagreement on a symmetric agree-disagree scale for a series of statements. Thus, the range captures the intensity of their feelings for a given item. A scale can be created as the simple sum or average of questionnaire responses over the set of individual items (questions). In so doing, Likert scaling assumes distances between each choice (answer option) are equal. Many researchers employ

6916-628: The use of "undecided" and "neutral" as the middle option in a five-point Likert scale. Likert scales may be subject to distortion from several causes. Respondents may: Designing a scale with balanced keying (an equal number of positive and negative statements and, especially, an equal number of positive and negative statements regarding each position or issue in question) can obviate the problem of acquiescence bias, since acquiescence on positively keyed items will balance acquiescence on negatively keyed items, but defensive, central tendency, and social desirability biases are somewhat more problematic. After

7007-530: The use of the Likert function in the HH package for R, and gives many examples of its use. The five response categories are often believed to represent an interval level of measurement . However, this can only be the case if the intervals between the scale points correspond to empirical observations in a metric sense. Reips and Funke (2008) show that this criterion is much better met by a visual analogue scale . In fact, there may also appear phenomena which even question

7098-424: The vote "before he knew it was not [Martineau's], and wasted a good deal of indignation, and even now can hardly believe it is not hers". In early December 1836 Charles Darwin called on Martineau and may have discussed the social and natural worlds she was writing about in her book Society in America , including the "grandeur and beauty" of the "process of world making" she had seen at Niagara Falls . He remarked in

7189-401: The women in her own family". Written during a kind of public break from her mother, this book was Martineau's proclamation of independence. At the same time, Martineau turned the traditional patient–doctor relationship on its head by asserting control over her space even in sickness. The sickroom was her space. Life in the Sickroom explained how to regain control even in illness. Alarmed that

7280-412: The youngest of the eight, Ellen. The Martineau family was of French Huguenot ancestry and professed Unitarian views. Her uncles included the surgeon Philip Meadows Martineau (1752–1829), whom she had enjoyed visiting at his nearby estate, Bracondale Lodge , and businessman and benefactor Peter Finch Martineau . Martineau was closest to her brother James, who became a philosopher and clergyman in

7371-492: Was a fictional tutorial intended to help the general public understand the ideas of Adam Smith . Illustrations was published in February 1832 in an edition of just 1500 copies, since the publisher assumed it would not sell well. Yet it very quickly became highly successful, and would steadily out-sell the work of Charles Dickens . Illustrations was her first work to receive widespread acclaim, and its success served to spread

7462-433: Was a house of my own among poor improvable neighbours, with young servants whom I might train and attach to myself: with pure air, a garden, leisure, solitude at command, and freedom to work in peace and quietness". She began house-hunting and the first house she looked at was not entirely perfect and did not have everything that she needed and was looking for. Her friend, who went with her to view it, said it would be worth

7553-479: Was also found that phenelzine was associated with LSAS scores that had post-treatment scores with standard deviations at least half higher than patients in placebo treatment. Safren and colleagues found that the relationship between social interactional anxiety and performance anxiety in their studies, showed high face validity but lacked construct validity. This study and others suggest the need for more research based on empirical approaches. The LSAS has been used as

7644-696: Was an English social theorist . She wrote from a sociological, holistic , religious and feminine angle, translated works by Auguste Comte , and, rare for a woman writer at the time, earned enough to support herself. The young Princess Victoria enjoyed her work and invited her to her 1838 coronation . Martineau advised "a focus on all [society's] aspects, including key political, religious, and social institutions". She applied thorough analysis to women's status under men. The novelist Margaret Oliphant called her "a born lecturer and politician... less distinctively affected by her sex than perhaps any other, male or female, of her generation." Her lifelong commitment to

7735-534: Was found that affection shown toward Harriet by her mother was quite rare. In fact, there have been findings that suggested that Harriet had imagined angels coming to take her away, which was thought to symbolize her wishing to find a way to escape her mother's reign through suicide. Although their relationship was better in adulthood, Harriet saw her mother as the antithesis of the warm and nurturing qualities which she knew to be necessary for girls at an early age. Her mother urged all her children to be well read, but at

7826-454: Was in a strange sense relieved in the long run that marriage was not an option, as their relationship was filled with stress and disagreements. Martineau remained unmarried in her life. Her earliest novels were also published during these years, beginning with Principle and Practice in 1827 and Five Years of Youth: or, Sense and Sentiment in 1829. In 1829, the family's textile business failed. Martineau, then 27 years old, stepped out of

7917-504: Was occupied with her brother James on the political economy series, as well as a supplemental series of Poor Laws and Paupers Illustrated and Illustrations of Taxation which was intended to directly influence government policy. About the same time, she published four stories expressing support of the Whig Poor Law reforms. These tales (direct, lucid, written without any appearance of effort, and yet practically effective) display

8008-626: Was often dominated by the three biggest insecurities in her life: her hearing disability, her poor handwriting, and the look of her hair. The next step in Harriet Martineau's education came when she received an invitation from the all-girl boarding school that her Aunt and Uncle Kentish ran in Bristol. Besides the standardized course she took at the school, Harriet began her lifelong self-directed research here. She dived deep into topics on her own, such as Latin, Greek, Italian, and even took

8099-403: Was taught French by her mother, which was the predominant language spoken by her father. Thomas, her father, taught her Latin, and her brother Thomas taught Harriet maths and writing. Unfortunately for Harriet, being taught at home especially by all her siblings often led to lots of mockery. When she was nine years old Harriet transitioned to a small school run by a man named Mr. Perry. Mr. Perry

8190-483: Was the sixth of the eight children of Thomas, a textile manufacturer. He served as deacon of the Octagon Chapel, Norwich from 1797. Her mother, Elizabeth (née Rankin), was the daughter of a sugar refiner and grocer. Harriet's five older siblings included two sisters and three brothers. In age order their names were, Elizabeth, Thomas, Henry, Robert and Rachel Ann. Harriet's two younger siblings were James and

8281-470: Was very special to Harriet, allegedly one of the first people in her life to provide her with a positive and non-judgmental learning environment. Later on in her life, Harriet claimed that Mr. Perry's school was the catalyst for her intellectual development and interest in education. As her education progressed she began to grow very fond of the following topics: Shakespeare, political economy, philosophy and history. Despite her love for all these topics, her mind

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