Table 1. Summary of item analysis Items...

Table 1.

Summary of item analysis

Items	Mean (SD)	ITC	r_pb
1*	3.65 (0.94)	0.4	0.45
2*	3.19 (0.93)	0.39	0.43
3*	3.07 (0.84)	0.37	0.42
4*	3.32 (1.00)	0.4	0.45
5	2.96 (1.04)	0.02	0.09
6	2.92 (1.08)	−0.11	−0.04
7	3.36 (0.99)	0.23	0.29
8*	3.25 (0.98)	0.5	0.54
9*	3.51 (1.03)	0.56	0.61
10*	2.9 (1.11)	0.45	0.51
11	2.89 (1.09)	−0.1	−0.03
12*	3.16 (0.93)	0.51	0.55
13*	3.36 (0.87)	0.55	0.58
14*	3.4 (0.94)	0.54	0.58
15*	3.35 (0.98)	0.55	0.59
16*	3.08 (1.03)	0.4	0.45
17	3.12 (1.04)	−0.3	−0.24
18	3.05 (1.08)	0.29	0.35
19	2.53 (1.14)	−0.17	−0.1
20*	2.76 (1.10)	0.39	0.44
21*	3.16 (0.91)	0.55	0.59
22*	3.25 (1.09)	0.58	0.63
23*	3.4 (1.02)	0.53	0.58
24*	3.23 (1.00)	0.57	0.61
25*	3.22 (1.12)	0.61	0.65
26	3.12 (1.13)	−0.03	0.04
27	3.13 (1.06)	0.27	0.33
28*	3.06 (0.97)	0.49	0.54
29	2.82 (1.01)	0	0.06
30	3.35 (1.04)	0.35	0.41
31*	3.27 (1.05)	0.42	0.47
32*	3.19 (1.04)	0.37	0.43
33	2.85 (1.07)	0.35	0.4
34*	2.85 (0.98)	0.45	0.5
35*	3.08 (1.08)	0.43	0.48
36*	3.07 (1.06)	0.48	0.53
37*	3.58 (1.02)	0.41	0.46
38*	3.75 (1.02)	0.39	0.44
39	2.71 (0.99)	−0.16	−0.1
40*	3.75 (1.01)	0.43	0.48
41*	3.82 (0.97)	0.4	0.451

Items	Mean (SD)	ITC	r_pb
1*	3.65 (0.94)	0.4	0.45
2*	3.19 (0.93)	0.39	0.43
3*	3.07 (0.84)	0.37	0.42
4*	3.32 (1.00)	0.4	0.45
5	2.96 (1.04)	0.02	0.09
6	2.92 (1.08)	−0.11	−0.04
7	3.36 (0.99)	0.23	0.29
8*	3.25 (0.98)	0.5	0.54
9*	3.51 (1.03)	0.56	0.61
10*	2.9 (1.11)	0.45	0.51
11	2.89 (1.09)	−0.1	−0.03
12*	3.16 (0.93)	0.51	0.55
13*	3.36 (0.87)	0.55	0.58
14*	3.4 (0.94)	0.54	0.58
15*	3.35 (0.98)	0.55	0.59
16*	3.08 (1.03)	0.4	0.45
17	3.12 (1.04)	−0.3	−0.24
18	3.05 (1.08)	0.29	0.35
19	2.53 (1.14)	−0.17	−0.1
20*	2.76 (1.10)	0.39	0.44
21*	3.16 (0.91)	0.55	0.59
22*	3.25 (1.09)	0.58	0.63
23*	3.4 (1.02)	0.53	0.58
24*	3.23 (1.00)	0.57	0.61
25*	3.22 (1.12)	0.61	0.65
26	3.12 (1.13)	−0.03	0.04
27	3.13 (1.06)	0.27	0.33
28*	3.06 (0.97)	0.49	0.54
29	2.82 (1.01)	0	0.06
30	3.35 (1.04)	0.35	0.41
31*	3.27 (1.05)	0.42	0.47
32*	3.19 (1.04)	0.37	0.43
33	2.85 (1.07)	0.35	0.4
34*	2.85 (0.98)	0.45	0.5
35*	3.08 (1.08)	0.43	0.48
36*	3.07 (1.06)	0.48	0.53
37*	3.58 (1.02)	0.41	0.46
38*	3.75 (1.02)	0.39	0.44
39	2.71 (0.99)	−0.16	−0.1
40*	3.75 (1.01)	0.43	0.48
41*	3.82 (0.97)	0.4	0.451

Notes:

M = mean; SD = standard deviation; ITC = item-total correlation; r_pb = point biserial correlation; *Retained items

Source: Table by authors

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