Latent structureScale / measurement
Short Form Generalizability Theory
Short form generalizability theory applies the G-theory variance-component framework to abbreviated measurement instruments, using G-studies and D-studies to estimate how many items a short scale must retain to achieve a desired reliability and to evaluate the accuracy of decisions made with a condensed instrument.
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Sources
- Brennan, R. L. (2001). Generalizability Theory. Springer. ISBN: 978-0387952826
- Shavelson, R. J., & Webb, N. M. (1991). Generalizability Theory: A Primer. Sage Publications. ISBN: 978-0803937796