The external validity of age-versus IQ-discrepancy definitions of reading disability : lessons from a twin study / [et al.]

Pennington, Bruce F.

The external validity of age-versus IQ-discrepancy definitions of reading disability : lessons from a twin study / [et al.] - 562-573 - 25, No. 9, 1992

Mayo 1993 = JOURNAL OF LEARNING DISABILITIES

DIFERENCIAS DE EDAD DIFERENCIAS INTELECTUALES ETIOLOGIA GENETICA READING DIFFICULTIES VALIDEZ