PsyScale Studio: 浏览器辅助量表开发与验证

Validating a measurement scale requires a long sequence of analyses, from content validity and item analysis to factor analysis, item response theory, fairness and relations to other variables. These analyses are spread across several programs, and many applied researchers find them difficult to choose, run and report. PsyScale Studio is a free web application that guides users through this sequence. Users describe their study purpose and response format (ten formats, from dichotomous tests to forced-choice and formative indices); the application then builds a purpose-specific roadmap, runs ea