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Table 9 Effectiveness of training program and feedback provision on raters’ bias measures

From: Investigating the effect of classroom-based feedback on speaking assessment: a multifaceted Rasch analysis

Bias

Successful adjustment

Unsuccessful adjustment

N

%

N

%

Pre-training

13

65%

7

35%

Immediate post-training

17

85%

3

15%

Delayed post-training

15

75%

5

25%

(Pre-training Ă— Immediate post-training) Chi-square:16.42, df = 1, p < 0.05*

(Pre-training Ă— Delayed post-training) Chi-square:04.97, df = 1, p < 0.05*

(Immediate post-training Ă— Delayed post-training) Chi-square:0.154, df = 1, p > 0.05