model

Non-standardized regression b

Standardized regression coefficient β

f value

Judgment coefficient r

Adjusted coefficient r square after adjustment

Constant term

1.561

.69

152.573

.476

.473

Perceived usefulness

.590

Constant term

1.450

.69

152.578

.476

.473

Perceived ease of use

.617

Constant term

3.920

.091

1.409

.008

.002

Perceived risk

.079