Table 2: Independent samples -test of pretest results between two groups.

 Levene’s Test for equality of variance -test for equality of means
      Sig. dfSig. (2-tailed) Mean differenceStd. error difference
LowerUpper

Equal variance assumed11.636.002−1.27428.213−1.33331.04623−3.47644.80978
Equal variance not assumed−1.27421.056.216−1.33331.04623−3.50874.84207