Table 4.

Analysis of evaluation protocol composition (n = 24)

	Use Case 1 (n = 12)		Use Case 2 (n = 12)
	−IUT (n = 6)	+IUT (n = 6)	−IUT (n = 6)	+IUT (n = 6)
Evaluation items
Total # of items	34	43	41	53
Average # of items per protocol	5.67	7.17	6.83	8.83
# of individual items	16	20	20	25
Method type
Quantitative item	74%	47%	76%	79%
Qualitative items	26%	53%	24%	21%
Ratio	2.78	0.87	3.10	3.82
Standardization
Non-standardized items	88%	88%	76%	62%
Standardized items	12%	12%	24%	38%
Ratio	7.50	7.60	3.10	1.65
Data type
Objective items	56%	33%	51%	42%
Subjective items	44%	67%	49%	58%
Ratio	1.27	0.48	1.05	0.71