Dependent Variable

Use of SSTs

Mediator

Self-Determined Motivation

CI95%

Independent Variable

H

a.b

S.E.

t-value

Lower

Upper

Perceived Control

H1

.0076

.0060

1.2063

-

.0030

.0220

Not supported

Ease of Use

H2

.0262

.0120

2.1301

.0036

.0530

Supported

Usefulness

H3

.0162

.0100

1.6701

.0011

.0384

Supported