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Table 3 Factor loadings and eigenvalue for various principal component analyses of statements

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

Statements Factor 1 Factor 2
Perceived usefulness Eigenvalue: 1.47
Variance explained (cumulative %): 49%
Eigenvalue: 0.95
Variance explained (cumulative %): 81%
Using the site improves my ability to express myself. 0.64 -
Using the site makes me more productive. 0.68 -
Overall, the site is not very useful to me.a - 0.92
Perceived ease of use Eigenvalue: 1.72
Variance explained (cumulative %): 57%
 
Using the site is unclear and not understandable.a 0.57 -
I had a hard time learning how to use the site.a 0.61 -
Overall, the site is easy to use. 0.55 -
Subjective norm Eigenvalue: 1.76
Variance explained (cumulative %): 59%
 
My teachers think I should use the site. 0.58 -
My classmates, whose opinions I value, recommend the site. 0.57 -
Other people I look up to expect me to use the site. 0.58 -
Perceived playfulness Eigenvalue: 1.56
Variance explained (cumulative %): 52%
Eigenvalue: 0.83
Variance explained (cumulative %): 80%
Using the site makes me happy. - 0.83
Using the site is not a good way to spend my leisure time.a 0.61 -
Using the site does not stimulate my interests.a 0.62 -
Intention to use Eigenvalue: 1.97
Variance explained (cumulative %): 66%
 
I intend to begin or continue using the site. 0.58 -
I will recommend the use of this site to others. 0.58 -
I intend to use the site in the future. 0.57 -
  1. aStatement inversely recoded for PCA