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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: J Intellect Disabil Res. 2015 May 29;59(11):1071–1079. doi: 10.1111/jir.12200

Table 1.

RADD Items and Original Test Sources

RADD Subtest Items Source
Orientation Week, month, year, location, state of residence Mini-Mental State Examination (Folstein, et al. 1975)
Registration Ball, flag, tree
Recall Ball, flag, tree
Attention-forward C-A-T The Severe Mini-Mental State Examination (Harrell et al. 2000)
Attention-b ackward T-A-C
Self-identification Language item 4
All or none item 10
Merrill-Palmer Scale of Mental Tests (Stutsman, 1948)
Movement All or none items 13 and 14
Imitation Gestural imitation section Hawaii Early Learning Profile (Parks, 1996)
Expressive language 1, 6, 11, 12, 25, 26, 31, 33, 42, 46, 54, 56, 60, 62, 70 and 73 Expressive One-Word Picture Vocabulary Test - Revised (Gardner, 1990)
Receptive language 1, 3, 16, 17, 45, 48, 65, 67, 81, 82, 91 and 92 Peabody Picture Vocabulary Test - Revised, Form M (Dunn & Dunn, 1981)
Similarities 1, 6, 7 and 8 Wechsler Intelligence Scale for Children - Third Edition (Wechsler 1991)
Arithmetic 6, 7, 9, 12 and 14
Comprehension 1, 4, 6, 7 and 9
Digit span 1, 2, 3 and 4 (both trials)