Table 1.

Samples with reading disability.

Sample	Controls M/F		Exptl M/F	Age Range(yrs)	Selection criteria for experimental group	Proportion with L PT > R PT
UF0	5/7	4/6 relatives	7/2	6 –65	No specified criteria; Clinical impression of reading disability gained from history	E: 100 C: .75 R: .80
UF1	7/8		7/6	18 –33	Certified for extra time at University; Diagnosis of dyslexia verified by Speech/Language Pathologist specializing in reading	E: .85 C: .73
UF2	59/44		7/7	6 – 12	Member of control group at first assessment at 5–6 yrs; in remedial education at second assessment at 8–11 yrs	E: .79 C: .75
			12/9	6 – 13	SLI: At least two oral language scores > 1 S.D. below average; Nonverbal IQ within normal limits	SLI: .57
UW1	15/11		13/4	9–13	Discrepancy between estimated full scale IQ and reading scores	E: .47 C: .69
UW2	12/10			9 – 13	Discrepancy between estimated full scale IQ and reading scores	E: .68 C: .67
GT			14/8	11 – 16	Identified in schools as need remedial help in reading	E: .91
UF 3	11/0		11/0	20 – 50	Discrepancy between estimated full scale IQ and reading scores	E: .55 C: .55