Table 3

Main findings from the analyses of variance testing between-subjects manipulations of presentation formats on the different outcome variables (realistic version of 20 providers)

	Selection of top three nursing homes	Selection of best nursing home	Selection of worst nursing home	Choice of nursing home
	Effect size†	Effect size†	Effect size†	Effect size†
Main effects of manipulations in presentation formats
Display of overall performance score	0.039**	0.005*	0.038**	0.001
Small number of quality indicators	0.001	0.004	0.002	0.000
Type of evaluative symbols	0.034**	0.016*	0.015*	0.021*
Interaction effects of manipulations in presentation formats
Display of overall performance score×small number of quality indicators	0.003	0.003	0.000	0.001
Display of overall performance score×type of evaluative symbols	0.063**	0.015*	0.010	0.007
Small number of quality indicators×type of evaluative symbols	0.018*	0.010	0.006	0.003
Display of overall performance score×small number of quality indicators×type of evaluative symbols	0.012	0.013*	0.009	0.018*
Main effects of vulnerability-related consumer characteristics
Educational level	0.002	0.003	0.000	0.007
Health numeracy	0.066**	0.034**	0.068**	0.033**
Subjective health literacy	0.000	0.000	0.005	0.000
Patient activation	0.008	0.008	0.006	0.008

*Significant effect with significance level of 0.05.
**Significant effect with a significance level of 0.01.
†Partial eta squared, which is a measure of effect size for use in analyses of variance. The common thresholds for the magnitude of effect are 0.01=small; 0.06=medium; 0.14=large.