Psychology Category
Methods and principles for constructing reliable, valid psychological measures, including classical test theory, item response theory, factor analysis, and validity evidence.
Welcome to the Psychometric Theory and Scale Development category of this site. Here you will find clear, detailed articles covering key topics related to Psychometric Theory and Scale Development.
A detailed guide to acquiescence bias in attitude measurement. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to assumptions of item response theory models. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to back translation for cross cultural measures. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to ceiling and floor effects in measurement. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to classical test theory and the true score model. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to computer adaptive testing and item selection. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to configural metric and scalar invariance testing. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to confirmatory factor analysis for model testing. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to content validity of assessment instruments. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to convergent and discriminant validity evidence. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to criterion validity and concurrent prediction. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to cronbach alpha and internal consistency. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to differential item functioning across subgroups. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to exploratory factor analysis of item pools. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to face validity in questionnaire appraisal. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to factor analysis in psychological scale development. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to forced choice formats for controlling response bias. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to generalized partial credit model in testing. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to graded response model for polytomous items. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to interitem correlations and item homogeneity. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to internal consistency versus test retest reliability. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to interrater reliability with kappa statistics. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to item difficulty and discrimination indices. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to item response theory in test construction. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to item total correlations in scale refinement. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to item writing guidelines for self report scales. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to likert scale design and scoring procedures. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to linking scores from different test versions. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to measurement invariance across cultural groups. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to nomological networks in construct validation. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to percentile ranks and standard score units. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to principal components analysis of questionnaire data. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to rasch measurement models for dichotomous items. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to raw score transformations into scale scores. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to reliability and consistency of test scores. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to reliability of change scores in longitudinal measurement. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to response biases in self report measures. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to reverse scored items and response set. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to scale length and reliability tradeoffs. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to semantic differential scales in measurement. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to social desirability bias in self report. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to split half reliability and spearman brown prophecy. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to stages of psychological test development. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to standard error of measurement and confidence intervals. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to test equating across multiple test forms. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to test norms and standardization samples. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to test retest reliability and stability over time. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to two parameter and three parameter irt models. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to validating a newly developed psychological scale. Covers key mechanisms, psychological significance, and clinical relevance.
A detailed guide to validity types in psychological measurement. Covers key mechanisms, psychological significance, and clinical relevance.
