Colorado Learning Difficulties Questionnaire: validation of a parent-report screening measure.

  title={Colorado Learning Difficulties Questionnaire: validation of a parent-report screening measure.},
  author={Erik G Willcutt and Richard Boada and Margaret W Riddle and Nomita A Chhabildas and John C Defries and Bruce F. Pennington},
  journal={Psychological assessment},
  volume={23 3},
This study evaluated the internal structure and convergent and discriminant evidence for the Colorado Learning Difficulties Questionnaire (CLDQ), a 20-item parent-report rating scale that was developed to provide a brief screening measure for learning difficulties. CLDQ ratings were obtained from parents of children in 2 large community samples and 2 samples from clinics that specialize in the assessment of learning disabilities and related disorders (total N = 8,004). Exploratory and… CONTINUE READING


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