The Effect of Mnemonic Learning Strategy on Critical Care Nursing Students’ Tracheal Suction Skill Acquisition
Table 2
Comparison of nursing students’ performance across different time points between the study and control groups.
Mean score of students’ performance
Study group (n = 140)
Control group (n = 140)
U
Mean ± SD
Mean ± SD
In the lab (5th week)
Total score
24.31 ± 0.81
23.07 ± 1.50
475.40
<0.001
Percent score
97.26 ± 3.26
92.29 ± 6.01
In the lab (6th week)
Total score
24.09 ± 0.75
20.85 ± 1.66
386.50
<0.001
Percent score
96.37 ± 2.99
83.40 ± 6.65
In the hospital (10th week)
Total score
23.93 ± 0.56
19.74 ± 2.07
121.50
<0.001
Percent score
95.71 ± 2.23
78.97 ± 8.26
23.838 (<0.001)
183.266 (<0.001)
SD: standard deviation. U: Mann‒Whitney test. Fr: Friedman test. : value for comparing the studied groups. : value for comparing the studied periods in each other group. statistically significant at .