Language Testing in Asia

Table 3 Percentages of correct responses and point-biserial correlation coefficients of the three skills’ items

From: Development and validation of an English test measuring EFL learners’ critical thinking skills

Consistency	C1	C2	C3	C4	C5	C6	C7	C8	C9	C10	C11	C12	C13	C14	M
% of CR	75	67	66	33	44	62	43	74	56	67	51	50	73	33	57
r_pb	.42	.60	.46	.43	.45	.45	.52	.45	.43	.48	.49	.43	.38	.35
Analysis	A1	A2	A3	A4	A5	A6	A7	A8	M
% of CR	57	64	72	68	40	25	45	46	52
r_pb	.45	.48	.56	.62	.30	.48	.51	.44
Inference	I1	I2	I3	I4	I5	I6	I7	I8	M
% of CR	23	35	32	29	81	76	69	32	47
r_pb	.31	.55	.49	.41	.35	.45	.43	.45

CR correct response, r_pb point-biserial correlation coefficient

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