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Table 8 Independent sample T test of teacher performance based on teaching experience

From: Assessing Iranian EFL teachers’ educational performance based on gender and years of teaching experience

   Levene’s test for equality of variances t test for equality of means
   F Sig. t df Sig. (2-tailed) Mean difference Std. error difference 95% confidence interval of the difference
   Lower Upper
Performance Equal variances assumed 0.02 0.89 −1.54 148.00 0.13 −0.68 0.44 −1.54 0.19
Equal variances not assumed    −1.56 145.51 0.12 −0.68 0.43 −1.53 0.18