psychometric-assessment

# Psychometric Assessment Skill Develop, validate, and adapt measurement instruments using established psychometric methods and standards. ## Overview The Psychometric Assessment skill enables development, validation, and adaptation of measurement instruments including factor analysis, reliability testing, item response theory, and cross-cultural validation for rigorous psychological and social measurement. ## Capabilities ### Scale Development - Construct definition - Item generation - Expert review - Cognitive interviewing - Item refinement ### Factor Analysis - Exploratory factor analysis - Confirmatory factor analysis - Model fit assessment - Factor extraction - Rotation methods ### Reliability Assessment - Internal consistency - Test-retest reliability - Inter-rater reliability - Measurement error - Reliability improvement ### Validity Evidence - Content validity - Criterion validity - Construct validity - Convergent/discriminant validity - Predictive validity ### Cross-Cultural Adaptation - Translation procedures - Cultural equivalence - Measurement invariance - Differential item functioning - Adaptation validation ## Usage Guidelines ### When to Use - Developing new measures - Validating instruments - Adapting scales - Assessing measurement quality - Improving instruments ### Best Practices - Follow standards - Document thoroughly - Test in target population - Assess multiple validity types - Report comprehensively ### Integration Points - Quantitative Met...