The effectiveness of exercise intervention for academic achievement, cognitive function, and physical health among children in Mongolia: a cluster RCT study protocol

Table 1 Simulation results of statistical power

Correlation	Disjunctive: 5000 simulations Standardized difference = 0.2
Correlation	Alpha error			Power
	Total	Urban	Ger or mixed residential	Total	Urban	Ger or mixed residential
0.4	0.050	0.027	0.024	0.957	0.871	0.642
0.5	0.047	0.023	0.024	0.977	0.920	0.719
0.6	0.047	0.023	0.024	0.992	0.967	0.814

ISSN: 1471-2458