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Table 1 Simulation results of statistical power

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

Correlation Disjunctive: 5000 simulations Standardized difference = 0.2
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