“…Figure 2 shows that the empirical model is mostly used in measuring the software quality (67%). The method includes survey [26], [48], [49], [59], [63], observation [21], [27], [31][32][33], [35], [37], [39], [42][43][44], [52], [53], [64] and usability testing [23], [65] involving the assessment of users. This achievement is followed by the analytical method at 17% (includes heuristics evaluation [34], [40], exploratory case study [50], and evaluation group [30], [45]).…”