Chinese version of Yoon Critical Thinking Disposition Instrument: validation using classical test theory and Rasch analysis

Table 3 The reliability of C-YCTD instrument

Factor (Cronbach’s Alpha, Composite reliability) (n = 401)	Item	Score (n = 401)	Cronbach’s Alpha if item deleted (n = 401)	Intraclass correlation coefficient (n = 30)
Eagerness (0.907, 0.915)	Q13	3.71 ± 0.71	0.887	0.893
Eagerness (0.907, 0.915)	Q15	3.61 ± 0.70	0.908	0.811
	Q20	3.79 ± 0.70	0.951	0.879
	Q21	3.77 ± 0.68	0.876	0.908
	Q22	3.64 ± 0.71	0.881	0.859
Prudence (0.649, 0.640)	Q2	3.57 ± 0.73	0.528	0.981
Prudence (0.649, 0.640)	Q4	3.56 ± 0.73	0.549	0.887
	Q14	3.09 ± 0.73	0.422	0.908
	Q18	3.78 ± 0.67	0.589	0.888
Confidence (0.877, 0.877)	Q17	3.67 ± 0.67	0.834	0.852
Confidence (0.877, 0.877)	Q19	3.69 ± 0.67	0.837	0.881
	Q23	3.65 ± 0.77	0.854	0.844
	Q27	3.63 ± 0.71	0.844	0.847
Systematicity (0.773, 0.808)	Q9	3.76 ± 0.69	0.678	0.825
Systematicity (0.773, 0.808)	Q11	3.55 ± 0.74	0.694	0.792
	Q25	3.59 ± 0.70	0.711	0.802
Fairness (0.802, 0.810)	Q1	3.82 ± 0.71	0.768	0.965
Fairness (0.802, 0.810)	Q5	3.62 ± 0.72	0.784	0.935
	Q24	3.82 ± 0.68	0.720	0.800
	Q26	3.76 ± 0.68	0.737	0.866
Skepticism (0.676, 0.736)	Q7	3.58 ± 0.72	0.616	0.897
Skepticism (0.676, 0.736)	Q10	3.37 ± 0.74	0.543	0.921
	Q12	3.25 ± 0.86	0.721	0.833
	Q16	3.55 ± 0.73	0.550	0.947
Objectivity (0.779, 0.783)	Q3	3.79 ± 0.73	0.788	0.943
Objectivity (0.779, 0.783)	Q6	3.77 ± 0.69	0.662	0.890
	Q8	3.86 ± 0.72	0.649	0.835
Overall (0.948)				0.963

ISSN: 1472-6955