文件名称：The predictive validity of the learning disabilities index (LDI): A six-year longitudinal study
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学术 论文
The predictive validity of the learning disabilities index (LDI): A six-year longitudinal study Psychology in the Schools Volume 27. October 1990 THE PREDICTIVE VALIDITY OF THE LEARNING DISABILITIES INDEX (LDI): A SIX-YEAR LONGITUDINAL STUDY JOHN STOKES PAUL CHRISTOPHER Pace University Grand Rapids Public Schools, Michigan The present investigation examined the long-term predictive validity of Lawson and Inglis’s (1984) Learning Disabilities Index (LDI) as it relates to achievement o