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Table 4 Descriptive Statistics of English Vocabulary Gain Scores of RALL and non-RALL Groups

From: An innovative approach of incorporating a humanoid robot into teaching EFL learners with intellectual disabilities

  

N

Mean

Std. Deviation

Std. Error Mean

RALL

Pre-test to post-test

5.00

12.40

1.51

0.67

Post-test to delayed post-test

5.00

−1.20

2.17

0.96

Non-RALL

Pre-test to post-test

5.00

8.40

1.81

0.81

Post-test to delayed post-test

5.00

−2.00

2.00

0.89