What Increases Public Support for Immigration? Results from a New Experiment
Decreased somewhat (2) Results The Assimilation Prime had a strong and significant effect on immigration support. In the Assimilation group, 46% favored increasing immigration, compared to 35% in the control group—a treatment effect of 11 percentage points, statistically significant at the p .01 level. Opposition to immigration in turn halved from 24% in the control group to 12% in the Assimilation group. If using the 5-point immigration outcome measure (instead of net support/oppose), the Assimilation article had a treatment effect size of .36 scale points, or a third of a scale point...
Source: cato.org