Analysis of Environmental Factors for Mobile Software Development Focused on Korean Companies

Table 18

Comparison of principal components.

Zhang and Pham [13]			Zhu et al. [20]			New
Component	Principle	Factor (name)	Component	Principle	Factor (name)	Component	Principle	Factor (name)
C1	Overall	f21 (testing environment); f22 (testing effort); f5 (level of programming technologies); f12 (relationship of detailed design to requirement)	PC1	Overall	f25 (testing coverage); f21 (testing environment); f22 (testing effort); f24 (testing methodologies); f12 (relationship of detailed design to requirement); f6 (percentage of reused modules)	PCA1	Testing ability	f24 (testing methodologies); f25 (testing coverage); f22 (testing effort)
C2	Testing efficiency	f24 (testing methodologies); f25 (testing coverage); f6 (percentage of reused modules)	PC2	Specification and knowledge	f8 (frequency of specification chance); f19 (domain knowledge)	PCA2	Programmer ability	f15 (programmer skill); f19 (domain knowledge); f20 (human nature); f7 (programming language); f18 (program workload (stress))
C3	Requirements and specifications	f11 (requirements analysis); f8 (frequency of specification chance)	PC3	Program complexity and skill level	f15 (programmer skills); f1 (program complexity)	PCA3	Requirements and standards	f11 (requirements analysis); f12 (relationship of detailed design to requirement); f13 (work standards)
C4	Program and skill level	f15 (programmer skills); f1 (program complexity)				PCA4	Program utility	f2 (program categories); f6 (percentage of reused modules)