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Peer reviewedMcGhee, Ron L.; Lieberman, Lewis R. – Journal of School Psychology, 1990
Investigated test-retest reliability of the Test of Nonverbal Intelligence (TONI). Administered Form A and Form B of the TONI on two occasions 3 weeks apart to 50 students randomly selected from first and second grades. Results showed high test-retest reliability; correlation coefficients were .89 (Form A) and .83 (Form B). Found high parallel…
Descriptors: Elementary School Students, Grade 1, Grade 2, Intelligence Tests
