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. Author manuscript; available in PMC: 2019 Jun 1.
Published in final edited form as: Environ Int. 2018 Apr 26;115:358–369. doi: 10.1016/j.envint.2018.03.025

Table 1.

Cognitive assessments administered at Project Viva in-person study visits in early childhood (median age 3.2 years; range 2.8–6.3) and mid-childhood (median age 7.7 years; range 6.6–10.9).

Assessment Subtest Primary cognitive domains assessed Administered at early childhood study visit Administered at mid- childhood study visit
Peabody Picture Vocabulary Test (PPVT-III) – Word knowledge ×
Wide Range Assessment of Visual Motor Abilities (WRAVMA) Drawing Visual-motor × ×
Pegboard Fine motor ×
Matching Visual-spatial perception ×
Kaufman Brief Intelligence Test (KBIT-2) Verbal IQ Word knowledge, crystallized intelligence ×
Non-verbal IQ Visual-spatial perception, fluid intelligence ×
Visual Memory Index of the Wide Range Assessment of Memory and Learning (WRAML2) Design Memory Visual memory, visual-spatial perception ×
Picture Memory Visual memory ×