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Table 2 Post-hoc Bonferroni analysis for Highest and Lowest Rated Groups

From: Tutor assessment of PBL process: does tutor variability affect objectivity and reliability?

Multiple Comparisons

 

(J)

Mean Difference (I-J)

Std. Error

Sig.

95% Confidence Interval

Lower Bound

Upper Bound

Highest Rated Group:8

Tutor10

61.41 ± 2.23

Tutor11

7.34286a

1.15

.000

4.4742

10.2115

Tutor9

3.14286a

1.15

.028

.2742

6.0115

Tutor11

(52.76 ± 8.43)

Tutor10

−7.34286a

1.15

.000

−10.2115

−4.4742

Tutor9

−4.20000a

1.15

.002

−7.0686

−1.3314

Tutor9

57.73 ± 2.66

Tutor10

−3.14286a

1.15

.028

−6.0115

−.2742

Tutor11

4.20000a

1.15

.002

1.3314

7.0686

Lowest Rated Group:9

Tutor12

41.31 ± 10.54

Tutor 13

10.30769a

2.59

.001

3.8131

16.8023

Tutor6

−8.30769a

2.59

.008

−14.8023

−1.8131

Tutor13

31.00 ± 3.67

Tutor12

−10.30769a

2.59

.001

−16.8023

−3.8131

Tutor6

−18.61538a

2.59

.000

−25.1100

−12.1208

Tutor6

49.62 ± 2.43

Tutor12

8.30769a

2.59

.008

1.8131

14.8023

Tutor13

18.61538a

2.59

.000

12.1208

25.1100

  1. aThe mean difference is significant at the 0.05 level