A meta-analytic investigation of the impact of middle school STEM education: where are all the students of color?

International Journal of STEM Education

Table 7 Effect size estimates by state or local assessment

Assessment level	# Of effect estimates	Overall effect	SE	Lower	Upper	p
State	28	0.81	0.129	0.017	0.562	0.001
Local	14	0.096	0.210	− 0.315	0.508	0.001