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Psychometric properties of the self-report version of the strengths and difficulties questionnaire in the Ecuadorian context: an evaluation of four models.

ABSTRACT: BACKGROUND:This study evaluates the psychometric properties of four models of the Strengths and Difficulties Questionnaire (SDQ) in a sample of 1470 children and adolescents from Biblián, Ecuador. The instrument has been used by researchers and students. However, there are not reports that show that the instrument is valid or reliable in the Ecuadorian context. METHODS:Reliability was evaluated through Cronbach's Alpha, McDonald's Omega, Intra-class Correlations and Greatest Lower Bound (GLB). Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA) with polychoric correlation matrix and Diagonally Weighted Least Square (DWLS) estimator is performed in each model. Due to possible readability problems, CFA was performed in three age groups. Measurement invariance analysis across biological sex and two groups of age is carried out. RESULTS:CFA and reliability analysis revealed poor construct validity of the original version of SDQ. Three additional factor structures were tested. A version that includes a prosocial subscale, and ? internalizing ? subscale and an ? externalizing ? subscale has the best yet insufficient construct validity properties among the four models (CFI?=?.858, TLI = .844, RMSEA = .055, WRMR = 1.588). Cronbach's Alpha for the subscales ranged from .44 to .71, McDonald's Omega from .22 to .606, GLB from .612 to .693, and ICC from .385 to .63. Measurement invariance analysis found no evidence of invariance across sex groups and evidence of partial invariance across age groups. CONCLUSIONS:The four tested models have questionable psychometric properties. Consequently, the use of the SDQ in the Ecuadorian context is not advisable. The three-factor first-order model of the SDQ that shows the best validity and reliability properties does not have undisputed psychometric properties. Comparisons across groups of age and/or sex using the SDQ should not be made.

SUBMITTER: Arias-Medina P

PROVIDER: S-EPMC6683583 | biostudies-literature | 2019 Aug

REPOSITORIES: biostudies-literature

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Psychometric properties of the self-report version of the strengths and difficulties questionnaire in the Ecuadorian context: an evaluation of four models.

Arias-Medina Paúl P

BMC psychology 20190806 1

<h4>Background</h4>This study evaluates the psychometric properties of four models of the Strengths and Difficulties Questionnaire (SDQ) in a sample of 1470 children and adolescents from Biblián, Ecuador. The instrument has been used by researchers and students. However, there are not reports that show that the instrument is valid or reliable in the Ecuadorian context.<h4>Methods</h4>Reliability was evaluated through Cronbach's Alpha, McDonald's Omega, Intra-class Correlations and Greatest Lower ...[more]

PMID: 31387636

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Project description:BackgroundPatient safety culture involves leader and staff interaction, routines, attitudes, practices and awareness that influence risks of adverse events in patient care. The Safety Attitudes Questionnaire (SAQ) is an instrument to measure safety attitudes among health care providers. The instrument aims to identify possible weaknesses in clinical settings and motivate quality improvement interventions leading to reductions in medical errors. The Ambulatory Version of the SAQ (SAQ-A) was developed to measure safety climate in the primary care setting. The original version of the SAQ includes six major patient safety factors: Teamwork climate, Safety climate, Job satisfaction, Perceptions of management, Working conditions, and Stress recognition. Patients in nursing homes are particularly vulnerable to adverse events. We present the psychometric properties of the Norwegian translation of the SAQ-A for the nursing home setting.MethodsThe study was conducted in five nursing homes in Tønsberg, Norway, in February 2016. A total of 463 employees working more than 20% received a paper version of the translated SAQ-A adapted to the Norwegian nursing home setting and responded anonymously. Filled-in questionnaires were scanned and transferred to an SPSS file. SPSS was used to estimate Cronbach alphas, corrected item-total correlations, item-to-own and item-to-other correlations, and item-descriptive statistics. The confirmatory factor analysis was done by AMOS.ResultsOf the 463 health care providers, 288 (62.2%) responded to the questionnaire. The confirmatory factor analysis showed that the total model of the six factors Teamwork climate, Safety climate, Job satisfaction, Perceptions of management, Working conditions, and Stress recognition had acceptable goodness-of-fit values in the nursing home setting.ConclusionsThe results of our study indicate that the Norwegian translated version of the SAQ-A, with the confirmed six factor model, is an appropriate tool for measuring patient safety climate in the nursing home setting. Future research should study whether there is an association between patient safety climate in nursing homes and occurrence of adverse events among the patients.

Project description:Prodromal Questionnaire (PQ) and Structured Interview for Prodromal Syndromes (SIPS) have been used as a two-stage process for identifying subjects at clinical high risk (CHR) of psychosis. The Prodromal Questionnaire-Brief version (PQ-B) contains 21 items derived from the PQ. The present study aimed to examine the psychometric properties of PQ-B in a Chinese help-seeking outpatient sample and to explore which items can better predict CHR diagnosis by SIPS and future transition to psychosis. In our preliminary epidemiological study, 1461 patients from a pool of 2101 individuals (15-45 years of age) completed the two-stage process. In the present study, 239 (20%) people were randomly selected among the sample who met the initial PQ-B screening criteria but had no positive diagnosis on SIPS, as well as 72 individuals with negative results on both PQ-B and SIPS, 89 prodromal and 105 psychotic subjects, yielding a total of 505 participants. The internal consistency coefficient for the PQ-B was good, with a Cronbach's alpha of 0.897. The concordant validity of PQ-B with SIPS dichotomized diagnosis of prodrome/psychosis versus no psychosis was 0.54. To ensure 80% or a higher sensitivity and a certain specificity, 7 and 24 were respectively set as the cutoff points for the PQ-B total score and distress score for Chinese help-seeking outpatients. A logistic regression model based on six PQ-B items could allow predicting the psychotic diagnosis on SIPS, with an accuracy of 65.8%. Prodromal individuals who scored higher on the 12th item of PQ-B (Do you worry at times that something may be wrong with your mind?) were less likely to convert to psychosis. PQ-B is a useful instrument for screening CHR subjects, but the cutoff score may be higher than that recommended by the author scores for help-seeking individuals in outpatient clinics. Some specific PQ-B items may have significant predictive power on dichotomized SIPS diagnoses and deserve special attention from researchers in future studies.

Dataset Information

Psychometric properties of the self-report version of the strengths and difficulties questionnaire in the Ecuadorian context: an evaluation of four models.

Publications

Psychometric properties of the self-report version of the strengths and difficulties questionnaire in the Ecuadorian context: an evaluation of four models.

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