Skip to main content
# Table 9 Independent sample *T* test of teacher performance based on teaching experience for questionnaire categories

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 | |||||||||

Listening | 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 | |||

Speaking | Equal variances assumed | 0.12 | 0.73 | −1.10 | 148.00 | 0.28 | −0.59 | 0.54 | −1.67 | 0.48 |

Equal variances not assumed | −1.09 | 136.29 | 0.28 | −0.59 | 0.55 | −1.68 | 0.49 | |||

Reading | Equal variances assumed | 1.40 | 0.24 | −1.49 | 148.00 | 0.14 | −0.60 | 0.40 | −1.40 | 0.20 |

Equal variances not assumed | −1.52 | 147.98 | 0.13 | −0.60 | 0.39 | −1.38 | 0.18 | |||

Writing | Equal variances assumed | 1.47 | 0.23 | −2.69 | 148.00 | 0.01 | −0.96 | 0.36 | −1.67 | −0.26 |

Equal variances not assumed | −2.74 | 147.78 | 0.01 | −0.96 | 0.35 | −1.66 | −0.27 | |||

Vocabulary | Equal variances assumed | 0.02 | 0.89 | −2.74 | 148.00 | 0.01 | −1.36 | 0.50 | −2.35 | −0.38 |

Equal variances not assumed | −2.75 | 143.73 | 0.01 | −1.36 | 0.50 | −2.34 | −0.38 | |||

Grammar | Equal variances assumed | 0.01 | 0.91 | −1.80 | 148.00 | 0.08 | −0.73 | 0.40 | −1.52 | 0.07 |

Equal variances not assumed | −1.81 | 144.71 | 0.07 | −0.73 | 0.40 | −1.52 | 0.07 | |||

Designing and performing instruction | Equal variances assumed | 0.22 | 0.64 | −2.32 | 148.00 | 0.02 | −4.47 | 1.93 | −8.28 | −0.66 |

Equal variances not assumed | −2.33 | 143.63 | 0.02 | −4.47 | 1.92 | −8.27 | −0.67 | |||

Assessment | Equal variances assumed | 0.94 | 0.33 | −2.58 | 148.00 | 0.01 | −2.01 | 0.78 | −3.56 | −0.47 |

Equal variances not assumed | −2.63 | 147.86 | 0.01 | −2.01 | 0.76 | −3.53 | −0.50 | |||

Familiarity with students | Equal variances assumed | 0.21 | 0.65 | −2.22 | 148.00 | 0.03 | −1.45 | 0.65 | −2.74 | −0.16 |

Equal variances not assumed | −2.23 | 143.38 | 0.03 | −1.45 | 0.65 | −2.74 | −0.16 | |||

Content knowledge | Equal variances assumed | 0.00 | 0.98 | −1.84 | 148.00 | 0.07 | −0.91 | 0.49 | −1.88 | 0.07 |

Equal variances not assumed | −1.85 | 142.58 | 0.07 | −0.91 | 0.49 | −1.88 | 0.06 | |||

Classroom management | Equal variances assumed | 2.67 | 0.11 | −1.05 | 148.00 | 0.29 | −0.68 | 0.64 | −1.95 | 0.59 |

Equal variances not assumed | −1.03 | 128.77 | 0.30 | −0.68 | 0.66 | −1.98 | 0.62 |