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Table 6 Percentage and number of studies by research methods

From: Usability of mobile applications: literature review and rationale for a new usability model

Research methods % of studies # of studies
Controlled experiment 59.51% 97
Field Study 26.99% 44
Survey 4.29% 7
Case Study 2.45% 4
Informal evaluation 1.84% 3
Archival Research 1.23% 2
Expert evaluation 1.23% 2
Other 2.45% 4
Total 100% 163