Table 1.

Tests of mean differences between rank-ordered higher and lower perceivers of social norms for continuous variables used to match respondents in study 1 and study 2

Variable	Mean lower perceiver	Mean higher perceiver	Difference	Standardized difference	P	P adj.
Study 1
Liberal/conservative ideology	3.02913	3.03641	0.007282	0.005408	0.8877	1
Age	48.89563	48.71845	−0.177184	−0.010232	0.5336	1
Family income	6.28155	6.32039	0.038835	0.012427	0.6716	1
Education	3.67718	3.73301	0.055825	0.038231	0.1319	1
Trust in science	3.90655	3.90655	0.000000	0.000000	1.0000	1
COVID-19 knowledge	0.76335	0.77063	0.007282	0.052088	0.3883	1
Subjective COVID-19 knowledge	3.97573	3.97573	0.000000	0.000000	1.0000	1
Religiosity	0.32949	0.33568	0.006189	0.033275	0.5565	1
Family income missingness	0.07767	0.06553	−0.012136	−0.047026	0.2971	1
COVID-19 knowledge missingness	0.06068	0.06068	0.000000	0.000000	1.0000	1
Subjective COVID-19 knowledge missingness	0.93932	0.93932	0.000000	0.000000	1.0000	1
Study 2
Liberal/conservative ideology	3.0843	3.1064	0.0220884	0.0155571	0.4875	1
Age	50.2952	50.4137	0.1184739	0.0069468	0.5349	1
Family income	6.1265	6.1245	−0.0020080	−0.0006334	0.9802	1
Education	3.7048	3.6827	−0.0220884	−0.0151481	0.6692	1
Trust in government	2.2533	2.2537	0.0003347	0.0005367	0.9880	1
Trust in science	3.8996	3.9217	0.0220884	0.0221226	0.3447	1
Subjective COVID-19 knowledge	3.4920	3.4679	−0.0240964	−0.0260201	0.6534	1
Religiosity	0.5030	0.5068	0.0037830	0.0128432	0.8171	1
Family income missingness	0.1145	0.1225	0.0080321	0.0248313	0.5791	1