Table 2
Participants' scores in the pre-test
N
Mean
Std. deviation
Std. error
95% confidence interval for mean
Lower bound
Upper bound
Experimental DR
10
10.70
1.88
0.597
9.34
12.05
Experimental IR
10
11.00
2.10
0.666
9.49
12.50
Control DR
10
10.30
1.88
0.597
8.94
11.65
Control IR
10
10.90
1.66
0.525
9.71
12.08
N
Mean
Std. deviation
Std. error
95% confidence interval for mean
Lower bound
Upper bound
Experimental DR
10
10.70
1.88
0.597
9.34
12.05
Experimental IR
10
11.00
2.10
0.666
9.49
12.50
Control DR
10
10.30
1.88
0.597
8.94
11.65
Control IR
10
10.90
1.66
0.525
9.71
12.08
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