Improvement of Open Source Software Usability: An Empirical Evaluation from Developers' Perspective

Table 3

Hypotheses testing using PLS regression.

Hypothesis	Usability factor	Path coefficient	𝑅^2	𝐹-ratio
H1	Users’ requirements	0.302	0.070	7.782*
H2	Usability experts opinion	0.129	0.007	0.737**
H3	Incremental design approach	0.244	0.075	8.429*
H4	Usability testing	0.310	0.114	13.412*
H5	Knowledge of UCD methods	0.446	0.193	24.888*

*Significant at 𝑃<.05. **Insignificant at 𝑃>.05.