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Table 1 Number and percentage of examinees identified with rapid-disengagement behavior by response time-only (RT) and enhanced (E) methods and their differences

From: Enhancing response time thresholds with response behaviors for detecting disengaged examinees

ThresholdMethodNumber and percentage of examinees identified by RT and enhanced
Question
CD item 1CD item 2CD item 3Star item 1Star item 2Star item 3Star item 4
5RT50.3340.26110.7240.2660.40110.72221.45
E40.2640.26110.7240.2660.40100.66221.45
10RT100.66191.25332.1770.4660.40211.38181.19
E70.46110.72301.9870.4660.40191.25181.19
20RT754.94815.34664.35261.711399.161187.7717711.66
E543.56473.10533.49181.191258.23684.4815310.08
30RT16210.6715810.411137.44442.9042728.1319012.5240826.88
E1197.84835.47885.80221.4537224.51785.1434922.99
40RT30720.2222915.0916310.74654.2869445.7227718.2571547.10
E19012.521187.771056.92291.9158238.34956.2660739.99
50RT52034.2631820.9524015.81976.3990159.3539325.8996863.77
E27918.381509.881238.10352.3171947.361087.1181053.36
60RT75749.8741727.4732921.671338.76106770.2955836.76117777.54
E34522.7317611.591419.29412.7079252.171147.5196763.70
ThresholdDifferences (RT–E)
510.0700.0000.0000.0000.0010.0700.00
1030.2080.5330.2000.0000.0020.1300.00
20211.38342.24130.8680.53140.92503.29241.58
30432.83754.94251.65221.45553.621127.38593.89
401177.711117.31583.82362.371127.3818211.991087.11
5024115.8816811.071177.71624.0818211.9928518.7715810.41
6041227.1424115.8818812.38926.0627518.1244429.2521013.83