The problem of validity when tests are used in minority groups or for the educationally-mentally retarded.
Ⅱ、正确处理少数民族地区及弱智儿童测试工作中测验效度的题。
The problem of validity when tests are used in minority groups or for the educationally-mentally retarded.
Ⅱ、正确处理少数民族地区及弱智儿童测试工作中测验效度的题。
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