Table 4.

Partial correlations (controlling for vignette experience) between perceived decision quality and explanatory variables of improved recall, surprise, effort, frustration and likelihood to refer.

	Perceived decision quality
	Manual search	CKS
Improved recall	0.32	0.47
Surprise	−0.15	−0.19
Effort	−0.32	0.21
Frustration	0.60a	0.63a
Likelihood to refer	0.87a	−0.14

^aStatistically significant.