Table 3. Instrument Source
Construct Source
Personality Fraj and Martinez [19], Goldberg [22]
Environmental Consciousness Dunlap et al. [17]
Perceived Positive Navigational Design of E-book Self-developed
Preference for Printed Books Self-developed
Perceived Usefulness Davis [11]
Perceived Ease of Use Davis [11]
Behavioral E-book Usage Intention Self-developed