Table 2. Proportion of a nominal sample from each respondent category according to the 2010 Census data, along with weights applied to individual respondents in the MTurk and SurveyUSA samples.

Category	nominal sample (%)	MTurk weights	SurveyUSA weights
Woman - Young - NonWhite	7.6	0.49140438	1.212827831
Woman - Young - White	18.1	0.435434718	1.191716069
Woman - Old - NonWhite	7.6	4.071636288	0.508954536
Woman - Old White	18.1	1.006338014	0.154733066
Men - Young - NonWhite	7.2	0.664633048	1.993899145
Men - Young - White	17.1	0.505142453	1.379636378
Men - Old - NonWhite	7.2	6.729409613	0.604890752
Men - Old - White	17.1	2.036606082	0.268422977

Note: SurveyUSA weights are based on data from Simons & Chabris (2011), re-normed to 2010 Census data.