The problem of validity when tests are used in minority groups or for the educationally-mentally retarded.

Ⅱ、确处理少数民族地区弱智测试工作中测验效度的问题。

A randomized clinical trial to compare selective posterior rhizotomy plus physiotherapy with physiotherapy alone in children with spastic diplegic cerebral palsy.

尼可拉斯手握测力器应用性麻痹肌力测试之信效度。