Validating a Japanese Version of the Athlete Psychological Strain Questionnaire

Sports Medicine - Open

Table 3 Item-test, item-rest correlation and Cronbach’s alpha of the APSQ-J

Item no	Item-test correlation	Item-rest correlation	α
1	0.63	0.54	0.83
2	0.70	0.61	0.82
3	0.78	0.70	0.81
4	0.68	0.59	0.83
5	0.75	0.64	0.82
6	0.74	0.65	0.82
7	0.71	0.59	0.83
8	0.59	0.44	0.84
9	0.45	0.36	0.84
10	0.44	0.39	0.84
Test scale			0.84