Table 7.

Ranking the quality principles based on distance to the must-be corner and angle toward the right-most boundary.

Quality principle	Coordinate distance between groups	Group A (test group)					Group B (validation group)
		Distance, d	Angle, α	Ranking coefficient, f	Rank	Distance, d		Angle, α	Ranking coefficient, f	Rank
Practicality	0.00	0.32	51	0.36	4	0.31		52	0.35	4
Risk adequacy	0.03	0.29	53	0.34	3	0.27		56	0.32	3
Ethical soundness	0.05	0.35	38	0.38	5	0.35		30	0.38	5
Legal conformity	0.05	0.23	37	0.26	1	0.26		27	0.28	1
Content validity	0.01	0.24	59	0.29	2	0.24		61	0.29	2
Technical adequacy	0.02	0.51	48	0.55	8	0.50		47	0.54	8
Usability	0.03	0.45	43	0.48	6	0.42		45	0.46	6
Resource efficiency	0.05	0.70	26	0.72	9	0.64		26	0.66	9
Transparency	0.05	0.46	34	0.49	7	0.51		34	0.54	7