Linear mixed-effects model results of changes in responses to self-perspective question from Survey 1 (baseline), adjusted for baseline responses.

aEffect of democratic deliberation (DD) or education relative to control group at Survey 2 on attitudes toward participating in research (self-perspective). bEffect of Survey 3 to Survey 2 in control group (i.e., time effect) on attitudes toward participating in research (self-perspective). cEffect of democratic deliberation (DD) or education relative to control group at Survey 3 on attitudes toward participating in research (self-perspective).