Difficulty and discrimination of academic skill diagnostic test
- VernacularTitle:学习技能诊断测验的难度和区分度
- Author:
Jinhua TAO
;
Zaohuo CHENG
;
Jian LIU
- Publication Type:Journal Article
- Keywords:
Academic skill diagnostic test;
Difficulty;
Discrimination
- From:Chinese Journal of Behavioral Medicine and Brain Science
2008;17(8):755-756
- CountryChina
- Language:Chinese
-
Abstract:
Objective To examine the difficulty and discrimination of academic skill diagnostic test(ASDT).Methods About 1000 primary school students were administered the ASDT,and data were analysed by SPSS11.0 program.Results The difficulty of sub-tests ranged from 0.49～0.78(low edition),0.52～0.86(high edition);while the discrimination of sub-tests ranged from 0.31～0.55(low edition),0.21～0.56(high edition).The coefficients for test-retest and the whole test ranged from 0.36～0.61(low edition),0.39～0.60(high edition).Conclusion ASDT developed in the present study attains acceptable psychometric properties.
