How to Assess and Interpret Survey Psychometrics

Litwin, Mark S.

doi:10.4135/9781412984409

Cited by 94 publications

(92 citation statements)

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“…This composition allowed for the verification that, although the results had confirmed the pertinence of some factors in the initial version of the instrument, others lost their characteristics or were reallocated, different from those elaborated previously, and a new factor (Disease) was created. This was expected, because, according to specialists (13)(14)(15) , this is one of the results of the factor analysis.…”

Section: Resultsmentioning

confidence: 63%

“…Considering that the process of instrument validation should involve several inter-related studies, aiming at empirical verification, through statistical tests, of the relation between the variables to be measured (15) , the reliability index of the instrument was tested at two different times. One involved the whole scale (96 items), without divisions, and the other with each factor presented individually.…”

Section: Discussionmentioning

confidence: 99%

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Development and validation of a scale of attitudes towards alcohol, alcoholism and alcoholics

Vargas

Luis

2008

Rev. Latino-Am. Enfermagem

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The others (6)(7) aimed to evaluate the attitudes of these professionals towards alcohol and the alcoholics.The most usual instrument in Brazil to measure the nurses' attitudes is Seaman Mannello Nurses's Attitudes Toward Alcohol and Alcoholism Scale (8) .Translated and validated in the country (5) , it is a scale consisting of 30 items, distributed in five factors, which cover, among other aspects, the perceptions of the alcoholics and their attitudes towards drinking.A brief analysis of the results obtained with the application of Seaman Mannello in the Brazilian studies (6-7) revealed, among other aspects, that nurses conceived alcoholism as a disease, and that alcoholics were ill people, revealing positive attitudes. However, negative attitudes were predominant in nurses regarding working with this clientele (6)(7)9) . When the authors (5-6) evaluated the use of this scale, they noted some limitations. Among them, never having been published integrally; few existing studies about its psychometric properties (5) and the inexistence of satisfactory studies on its cross-cultural adaptation for application in Brazil (10) , which makes it unsatisfactory for usage in the country -the main justification for the construction of a new attitude scale (11) .The classical theories about attitudes (12) define this construct as predispositions. In order to respond to a given set of stimuli with a given set of answers, an attitude can thus be defined as an acquired and lasting predisposition to always act the same way towards a given class of objects, or a persistent mental/neural state of readiness to respond to a given class of objects, not as they are, but as they are conceived (12) .Observing the lack of instruments to evaluate

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Section: Resultsmentioning

confidence: 63%

Section: Discussionmentioning

confidence: 99%

Development and validation of a scale of attitudes towards alcohol, alcoholism and alcoholics

Vargas

Luis

2008

Rev. Latino-Am. Enfermagem

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“…For a predictive measure it is the intra-class correlation coefficient that is appropriate [9]. The intraclass correlation coefficient of 0.95 in antenatal women and 0.96 in postnatal women is considered highly reliable [10].…”

Section: Discussionmentioning

confidence: 99%

Validation of the Sinhala translation of Edinburgh Postnatal Depression Scale

Rowel¹,

Jayawardena

Fernando³

2008

Ceylon Med. J.

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Introduction To determine the validity and reliability of the Sinhalese translation of the Edinburgh Postnatal Depression Scale (EPDS) as a screening instrument to detect antenatal and postnatal depression.Method Two hundred and sixty five antenatal women and 204 postnatal women attending the field polyclinics of the Medical Officer of Health (MOH) area Kolonnawa participated in the study. Psychiatric diagnosis based on ICD 10 Classification of Mental and Behavioural Disorders was the 'gold standard' and the receiver operating characteristic (ROC) analysis was used to evaluate the test performance of the translated EPDS for antenatal and postnatal depression separately. Reliability was tested using test-retest method and computing intra-class correlation coefficients.Results A cut-off score of 9 was selected as the best to screen for depression, in antenatal (sensitivity 90.7% and specificity 86.8%) and postnatal women (sensitivity 89.9% and specificity 78.9%). The intra-class correlation coefficients of the instrument for antenatal and postnatal women were 0.95 (95% CI = 0.82 -0.99) and 0.96 (95% CI = 0.86 -0.99). ConclusionThe Sinhalese translation of the EPDS is a valid and a reliable instrument to screen for depression in antenatal and postnatal women in Sri Lanka.

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“…This approach can be described as an assessment of criterion-related validity (Litwin, 2003), and we adopted this method because it avoids the uncertainties, as described above, of assessing validity via comparisons between multiple metrics.…”

Section: Examining the Efficacy Of Risk Model Judgements In Synergy Smentioning

confidence: 99%

Using risk model judgements to better understand perceptions of synergistic risks

Dawson

Johnson

Luke

2014

British J of Psychology

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Numerous scientific studies show that risk factors can interact to synergistically increase the likelihood of certain adverse and life‐threatening outcomes. Yet, the extent to which individuals know that specific risk factor combinations present ‘synergistic risks’ is unclear and little is known about the determinants of such knowledge. This is largely because epistemological progress concerning this topic has been frustrated by a reliance on metrics that have latterly been judged to be of questionable validity. To address this issue, this paper presents two studies that assess an alternative approach (i.e., risk model judgements) which requires respondents to judge the risk for a factor combination relative to, rather than in isolation from, the risk attributable to each constituent factor. Results from both studies indicate that risk model judgements overcome the drawbacks of traditional metrics. More importantly, the results provide epistemological insights into what can determine whether an individual understands that a factor combination presents a synergistic risk; these determinants include experiential and intuitive insights into the effects of combining specific risk factors, domain‐specific judgemental experience and exposure to effective learning opportunities. These findings can be utilized in interventions aimed at helping individuals to make better decisions concerning multiple risk factors.

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How to Assess and Interpret Survey Psychometrics

Cited by 94 publications

References 0 publications

Development and validation of a scale of attitudes towards alcohol, alcoholism and alcoholics

Development and validation of a scale of attitudes towards alcohol, alcoholism and alcoholics

Validation of the Sinhala translation of Edinburgh Postnatal Depression Scale

Using risk model judgements to better understand perceptions of synergistic risks

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