Effect Size of group

Variable Without Intervention
(Mean)
Without Intervention
(STD)
With Intervention
(Mean)
With Intervention
(STD)
Effect Size
TASK_OR2 20.1812 8.32637 22.3478 8.11200 -0.34792
ASSERTV2 24.1757 7.72593 26.6380 6.09235 -0.39387
PEERSO2 23.2964 7.81848 25.9231 8.02170 -0.37387
BEHCONT2 21.5386 7.58545 22.4183 8.06494 -0.12904

\Chen\Effect Size Nested Data