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Table 1 Constructs used in the model

From: Analysis of the use of social media in Higher Education Institutions (HEIs) using the Technology Acceptance Model

Construct Statement Reference
Perceived usefulness
 PU1 1) Using the site improves my ability to express myself. Lane and Coleman (2012)
 PU2 2) Using the site makes me more productive in school. Sledgianowski and Kulviwat (2009)
 PU3 3) Overall, the site is not very useful to me. Alarcón-Del-Amo et al. (2012)
Perceived Ease of Use
 PEOU1 4) Using the site is unclear and not understandable. Alarcón-Del-Amo et al. (2012)
 PEOU2 5) I had a hard time learning how to use the site. Alarcón-Del-Amo et al. (2012)
 PEOU3 6) Overall, the site is easy to use. Alarcón-Del-Amo et al. (2012)
Subjective Norm
 SN1 7) My teachers think I should use the site. Sledgianowski and Kulviwat (2009)
 SN2 8) My classmates, whose opinions I value, recommend the site. Sledgianowski and Kulviwat (2009)
 SN3 9) Other people I look up to expect me to use the site. Sledgianowski and Kulviwat (2009)
Perceived Playfulness
 PP1 10) Using the site makes me happy. Sledgianowski and Kulviwat (2009)
 PP2 11) Using the site is not a good way to spend my leisure time. Liao et al. (2008)
 PP3 12) Using the site does not stimulate my interests. Sledgianowski and Kulviwat (2009)
Intention to Use
 IU1 13) I intend to begin or continue using the site. Alarcón-Del-Amo et al. (2012)
 IU2 14) I will recommend the use of this site to others. Alarcón-Del-Amo et al. (2012)
 IU3 15) I intend to use the site in the future. Liao et al. (2008)
Actual Usage
 AU1 16) On the average, how many hours per day do you use Sledgianowski and Kulviwat (2009)