Dimensionality Reduction of Social Media Application Attributes for Ubiquitous Learning Using Principal Component Analysis

Table 1

Description of the dataset (n = 30).

Attributes	Category	Frequency	Percentage (%)
Job description of experts	(i) Higher education instructor	16	53
	(ii) School-based instructor	11	37
	(iii) Higher education e-learning specialist	3	10
Sixty criteria for rating social media apps for u-learning	(i) Educational requirements	36	60
	(ii) Technology criteria	24	40

22 experts had above 10 years’ experience, 6 experts had 6–10 years’ experience, and 3 experts had 3–5 years’ experience.