However, supplemental analyses indicated that this did not have a substantive effect on the present findings. (jamanetwork.com)
The main findings from the Education Next — PEPG survey reported in this essay are based on a nationally representative stratified sample of U.S. adults (age 18 years and older) and oversamples of Hispanics and non-Hispanic blacks, public school teachers, and residents of Florida (the last group for supplemental analyses not reported here). (educationnext.org)
To check the robustness of our results, we conducted several supplemental analyses that do not appear in the paper. (academic.oup.com)