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Table 3 Classical item statistics for items included in the final Attitudes Toward Implicit Bias Instrument

From: Validity evidence for a novel instrument assessing medical student attitudes toward instruction in implicit bias recognition and management

Itema N Item-total correlation Standard correlation Item-rest correlation Mean s.d.
2 950 0.56 0.56 0.52 5.5 0.71
3 950 0.66 0.66 0.62 5.2 0.90
4 950 0.73 0.71 0.67 5.0 1.24
5 950 0.73 0.75 0.70 5.5 0.74
6 950 0.73 0.74 0.70 5.4 0.80
7 950 0.70 0.70 0.66 5.1 0.98
8 950 0.54 0.49 0.47 4.5 1.10
9 950 0.50 0.41 0.40 3.6 1.44
10 950 0.60 0.53 0.52 3.9 1.47
11 950 0.36 0.32 0.29 5.6 0.88
13 950 0.75 0.76 0.71 5.3 0.85
14 950 0.73 0.72 0.68 5.0 1.16
16 950 0.68 0.70 0.65 5.4 0.74
17 950 0.73 0.71 0.66 4.4 1.46
18 950 0.63 0.58 0.56 4.6 1.27
19 950 0.70 0.70 0.66 5.4 0.77
21 950 0.42 0.36 0.33 4.8 1.26
22 950 0.73 0.73 0.69 5.2 0.82
  1. aItem numbers refer to their location in Table 1