n = 23

CAHAIG 7

CAHAIG 8

CAHAIG 9

CAHAIG 13


Internal consistency

α = 0.979, p ≤ 0.001

α = 0.981, p ≤ 0.001

α = 0.979, p ≤ 0.001

α = 0.974, p ≤ 0.001

ICC

0.967

0.964

0.965

0.989

CI

0.935< × <0.985

0.931< × <0.984

0.932< × <0.984

0.937< × <0.985

CAHAIG 7



r = 0.999

r = 0.994

r = 0.982

CAHAIG 8

r = 0.999



r = 0.997

r = 0.986

CAHAIG 9

r = 0.994

r = 0.997



r = 0.989

CAHAIG 13

r = 0.982

r = 0.986

r = 0.989



 α = Cohen's α for internal consistency, CI = confidence interval (95%), ICC = intraclass correlation coefficient, r = correlation coefficient