TABLE 1.

Descriptive Statistics for Variables Used in Multilevel Modeling Analyses

Variable	M	SD
Teacher characteristics (n = 69)
Teacher job stress	2.59	0.66
Teacher perceptions of child behavior problems	2.15	0.56
Teacher EF: WebExec	3.51	0.53
Teacher EF: BLS total number of letters correct	24.70	21.70
Teacher EF: Trails % correct Part B (mixed trials)	0.94	0.08
Teacher cognitive ability: Trails % correct Part A (letter-/number-only trials)	0.98	0.03
African American/Black	0.48	0.50
Female	0.91	0.28
Bachelor’s degree or higher (%)	0.41	0.49
Lead teacher (%)	0.42	0.50
Classroom characteristics (n = 31)
Class size (number of children)	14.40	3.93
Head Start classroom (compared to Early Head Start)	0.84	0.38

Note. EF = executive function; BLS = Backwards Letter Span.