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Table 1 The mean and standard deviation of the learning outcome and retention score in the different groups of nurse anesthesia students at different measurement times

From: The effect of spaced learning on the learning outcome and retention of nurse anesthesia students: a randomized-controlled study

 

Measurement round

 

Pre-test

First round (immediate)

Second round (after two weeks)

Third round (after four weeks)

p-value (effect size)*

Semester

Group

Mean ± SD

Time

Group

Time-Group

3rd semester

Intervention

6.80 ± 1.207

17.73 ± 0.884

16.07 ± 1.033

14.33 ± 0.976

< 0.001 (0.873)

< 0.001 (0.238)

< 0.001 (0.604)

Control

6.71 ± 1.490

13.07 ± 2.40

8.71 ± 1.437

7.86 ± 1.406

5th semester

Intervention

6.83 ± 2.082

18.75 ± 0.965

17.75 ± 1.138

17.25 ± 1.35

Control

7.75 ± 1.288

15.00 ± 1.80

12.42 ± 2.314

10.33 ± 2.22

7th semester

Intervention

9.80 ± 3.962

18.80 ± 1.789

17.60 ± 1.673

16.60 ± 1.51

Control

12.33 ± 3.32

15.50 ± 2.07

13.67 ± 2.251

12.33 ± 3.01

Total

Intervention

7.28 ± 2.331

18.28 ± 1.17

16.94 ± 1.413

15.78 ± 1.82

< 0.001 (0.870)

< 0.001 (0.514)

< 0.001 (0.576)

Control

8.16 ± 2.77

14.25 ± 2.32

11.03 ± 2.845

9.62 ± 2.661

  1. *Repeated measure ANOVA