Table 2

Data on student opinions before and after the intervention

VariablesPretestPosttest
M(DT)M(DT)ZSig.
Amotivation2.74(1.64)2.14(1.45)-2.671.008**
Intrinsic motivation4.50(1.42)4.42(1.48)-134.894
Extrinsic motivation5.38(1.05)5.35(1.07)-372.710
Self-determination3.41(4.63)4.53(4.47)-2.057.040*

Key: M = mean; SD = standard deviation; Z = Wilcoxon signed-rank test value; Sig.= asymptotic significance (2-sided); * = difference has a significance level p < .05; ** = difference has a significance level p < .01