Table 2.

Cronbach alpha coefficients for questionnaire by scale.

Scale	Alpha coefficient	Items, n	Mean scale ranka
Attitude scale	.661	8	—b
Beliefs scale	.883	2	4.08
Perceived Usefulness scale	.835	6	4.26
Perceived Ease of Use scale	.718	7	3.95
Compatibility scale	.806	2	4.41
Relative advantage scale	.880	3	4.15
Visibility scale	.193	2	—
Intent scale	.914	2	4.28

^aMean rank on a scale of 1-5 strongly disagree–strongly agree analyzed by Wilcoxon sign rank test.

^bNot applicable.