Political Communication · 2008 · 138 citations · 43 references
Social SciencesPolitical ScienceSocial PsychologyGroup DynamicsPolitical BehaviorPublic OpinionAttitude ChangePolitical AttitudesPolitical IdeologyPublic DeliberationStereotype ChangeStereotypesAttitude Change MeasurementDeliberationFace-to-face DeliberationIdeological AttitudesPolitical DeliberationSmall-group DeliberationWithin-subject Variance
Previous research has found that face-to-face deliberation can result in aggregate shifts in participants' political views. What is less well known is how such attitude changes vary depending on individual attributes and the nature of a group's deliberation. The present study extends prior research by exploring the relationship between participant ideology and attitude change in small, face-to-face groups. To test a set of hypotheses and research questions, 57 zero-history groups discussed three different public problems for 30–60 minutes, and each participant completed pre- and postdiscussion questionnaires. Participant ideology had a clear association with changes on specific discussion-related issues, but participants from every ideological group experienced increased differentiation between ideologically distinct attitudes. Within-group variance in attitude change was positively correlated with average group scores on self-reported measures of deliberation, extraversion, and conscientiousness. The conclusion discusses these and other findings in relation to future research and public deliberation programs.
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Statistical Power Analysis for the Behavioral Sciences
Keith E. Muller, Jacob Cohen · Technometrics · 1989 · 83.9K citations