Assessing the Unidimensionality of Psychological Scales: Using Multiple Criteria from Factor Analysis

Semakin dicari semakin puyeng. Punya pemahaman: unidimensionality pokoknya dilihat eigenvalue > 1, curaman eigenvalue pd scree plot, atau lambda 1/lambda 2 > (4 atau 5: Wells, Hambleton, & Pak Urip Purwono). Malam ini nemu ini artikel https://t.c

Preparing for my next Psychometrics lecture on assessing unidimensionality for IRT purposes and found this great paper by @MorHeene https://t.co/YsfTdcex1a and this one by @BD_Zumbo https://t.co/K1j6KGYpKJ