This study examined psychometric properties of scores on the Depression Anxiety Stress Scales-21 (DASS-21) with a nonclinical sample of senior games athletes (N = 383). Information on the internal reliability, item-scale correlations, structural validity, and concurrent validity of the DASS-21 scores is provided to test its applicability to senior…

Psychometric properties of the Survey of Perceived Organizational Support (SPOS-8) scores were examined with a national sample of school counselors (N = 1,005). SPOS-8 scores displayed good internal consistency ([alpha] = 0.92), one-factor structure, and convergent and discriminant validity. Measurement invariance was evident for White and…

This systematic review explores psychometric properties of the Substance Abuse Subtle Screening Inventory adult version (SASSI-3), the most commonly used instrument by counselors for assessment and diagnosis of alcohol and substance use.

Precision is a key facet of test development, with score reliability determined primarily according to the types of error one wants to approximate and demonstrate. This article identifies and discusses several primary forms of reliability estimation: internal consistency (i.e., split-half, KR-20, a), test-retest, alternate forms, interscorer, and…

Psychometric meta-analyses and reviews were provided for four commonly used suicidal ideation instruments: the Beck Scale for Suicide Ideation, the Suicide Ideation Questionnaire, the Suicide Probability Scale, and Columbia--Suicide Severity Rating Scale. Practical and technical issues and best use recommendations for screening and outcome…