Past suicidal behaviors including ideation and attempts have been identified as significant risk factors for subsequent suicidal behavior. However, inadequate attention has been given to the development or validation of measures of past suicidal behavior. The present study examined the reliability and validity of a brief self-report measure of past suicidal behavior, the Suicidal Behaviors Questionnaire-Revised (SBQ-R). Participants included psychiatric inpatient adolescents, high school students, psychiatric inpatient adults, and undergraduates. Logistic regression analyses provided empirical support for the usefulness of the SBQ-R as a risk measure of suicide to differentiate between suicide-risk and nonsuicidal study participants. Receiver operating characteristic (ROC) analyses indicated that the most useful cutoff scores on the SBQ-R were 7 for nonsuicidal samples, and 8 for clinical samples. Both the single SBQ-R Item 1 and SBQ-R total scores are recommended for use in clinical and nonclinical settings.
Previous studies with undergraduates have provided support for the reliability and oblique three-factor structure of a new scale, the Pain Catastrophizing Scale (PCS). We examined the reliability and validity of the PCS in adult community and pain outpatient samples. The PCS showed a high internal consistency in both groups. Using data from the community sample, confirmatory factor analyses showed that the PCS taps a single construct characterized by three related dimensions. Gender differences were obtained on the PCS total score in the community and the outpatient samples. The analyses also showed significant differences between the community and the outpatient samples on the PCS total and subscales. Overall, the results showed strong evidence of criterion-related, concurrent, and discriminant validity for the PCS in the community sample. Limitations of the present study are discussed.
This investigation was conducted to validate the Beck Depression Inventory--II (BDI-II; A. T. Beck, R. A. Steer, & G. K. Brown, 1996) in samples of adolescent psychiatric inpatients. The sample in each substudy was primarily Caucasian. In Study 1, expert raters (N=7) and adolescent psychiatric inpatients (N=13) evaluated the BDI-II items to assess content validity. In Study 2, confirmatory factor analyses of several first-order solutions failed to provide adequate fit estimates to data for 205 boys, 203 girls, and the combined sample. Exploratory factor analyses identified new item-factor solutions. Reliability estimates were good (range =.72 to.91) for the BDI-II total and scale scores. In Study 3 (N=161 boys and 158 girls from Study 2), preliminary evidence for estimates of concurrent, convergent, and discriminant validity were established for the BDI-II.
The Pain Catastrophizing Scale (PCS; Sullivan et al., Psychol. Assess. 7, 524-532, 1995) has recently been developed to assess three components of catastrophizing: rumination, magnification, and helplessness. We conducted three studies to evaluate the factor structure, reliability, and validity of the PCS. In Study I, we conducted principal-components analysis with oblique rotation to replicate the three factors of the PCS. Gender differences on the original PCS subscales were also analyzed. In Study II, we conducted confirmatory factor analyses to evaluate the adequacy of fit of four alternative models. We also evaluated evidence for concurrent and discriminant validity. In Study III, we evaluated the ability of the PCS and subscales to differentiate between the responses of clinic (students seeking treatment) and nonclinic undergraduate samples. Also, in the clinic sample, we evaluated evidence of concurrent and predictive validity for the PCS. The internal consistency reliability indices for the total PCS and subscales were examined in all three studies. Limitations and future directions are discussed.
Several exploratory factor-analytic studies of the Beck Anxiety Inventory (BAI; Beck, Epstein, Brown, & Steer, 1988) have reported two, four, and five factors. This study evaluated the fit of four competing models to data provided by a sample of 350 undergraduates. Results of the initial confirmatory factor analyses (CFA) provided strong support for the fit of the four-factor oblique model. Next, we respecified the four-factor model as a single second-order BAI. Results showed that the second-order model also provided adequate fit to the data. Evidence also supported the psychometric indices of reliability and convergent validity. Finally, we examined the relation of the BAI to several demographic variables. Limitations of the study are discussed.
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