Table 1. Difficulty parameter of each item of the OKUKINS Chemistry Achievement Test and their associated Standard Errors of Measurement using sample O

From

Development, Standardization and Application of Chemistry Achievement Test Using the One-Parameter Logistic Model (1-Plm) of Item Response Theory (Irt)

Oku Kingsley, Iweka Fidelis

American Journal of Educational Research. 2018, 6(3), 238-257 doi:10.12691/education-6-3-11