marginally significantp = 0.083
Sixthly, in collective management, the inter-group effect at the pretest is marginally significant ( F = 3.126, p = 0.083, η 2 = 0.053), while the inter-group effect at the posttest is significant ( F = 12.108, p = 0.001, η 2 = 0.178), with the experimental group (23.97 ± 1.35) showing significantly higher collective management than the control group (22.61 ± 1.56).