Table 1.

Timepoints, measures, and ages of child executive function (EF), social competence, and academic outcome assessments.

Timepoint	Measure	N	Mean age in months (SD)
36 months	EF battery (Operation Span, Silly Sounds, Animal Go/No Go, Spatial Conflict, Something's the Same)	973	37.02 (0.14)
58 months	EF: Operation Span	983	60.28 (0.25)
	EF: Silly Sounds	995	60.37 (0.25)
	EF: Animal Go/No Go	980	60.39 (0.25)
	EF: Pick the Picture	1004	60.37 (0.25)
Kindergarten	Prosocial Behavior Subscale (Social Competence Scale)	985	71.63 (0.30)
	Prosocial Behavior Subscale (Strengths and Difficulties Questionnaire)	982	71.63 (0.30)
	Peer Relationships Scale	977	71.61 (0.30)
Grade 1	EF: Hearts and Flowers	991	83.57 (0.31)
	EF: Dimensional Change Card Sort	827	83.57 (0.31)
	EF: Backward Word Span	1033	83.52 (0.31)
	Prosocial Behavior Subscale (Social Competence Scale)	931	83.33 (0.30)
	Prosocial Behavior Subscale (Strengths and Difficulties Questionnaire)	929	83.33 (0.30)
	Peer Relationships Scale	929	83.33 (0.30)
Grade 2	Woodcock-Johnson III: Brief Reading	1044	95.35 (0.31)
	Woodcock-Johnson III: Applied Problems	1046	95.35 (0.31)