| Item | Corrected item-total correlation | Cronbach’s Alpha if item was deleted | Corrected item-total correlation | Cronbach’s Alpha if item was deleted |
| (1) | ,104 | ,791 | ,597 | ,809 | (2) | ,009 | ,795 | −,075 | ,836 | (3) | ,256 | ,784 | ,236 | ,821 | (4) | ,335 | ,780 | ,472 | ,812 | (5) | ,445 | ,775 | ,173 | ,823 | (6) | ,361 | ,779 | ,426 | ,814 | (7) | ,469 | ,773 | ,180 | ,822 | (8) | ,469 | ,773 | ,331 | ,818 | (9) | ,325 | ,780 | ,457 | ,813 | (10) | ,517 | ,771 | ,257 | ,820 | (11) | ,399 | ,777 | ,683 | ,801 | (12) | ,183 | ,787 | ,090 | ,827 | (13) | ,203 | ,786 | ,530 | ,809 | (14) | ,289 | ,782 | ,395 | ,817 | (15) | ,258 | ,783 | ,000 | ,824 | (16) | ,594 | ,767 | ,409 | ,815 | (17) | ,271 | ,783 | ,568 | ,812 | (18) | ,171 | ,787 | ,597 | ,806 | (19) | ,129 | ,789 | ,506 | ,812 | (20) | ,295 | ,782 | ,481 | ,811 | (21) | ,212 | ,785 | ,182 | ,824 | (22) | ,443 | ,775 | ,451 | ,816 | (23) | ,443 | ,775 | ,196 | ,821 | (24) | ,480 | ,773 | ,474 | ,811 | (25) | ,440 | ,775 | ,318 | ,818 | (26) | ,305 | ,781 | ,120 | ,825 | (27) | ,140 | ,789 | ,250 | ,820 | (28) | −,065 | ,796 | ,491 | ,813 | (29) | ,365 | ,778 | ,020 | ,830 | (30) | ,004 | ,794 | ,318 | ,818 |
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