Knowledge Persists, Opinions Drift: Learning and Opinion Change in a Three-Wave Panel Experiment

Document Type

Article

Publication Date

3-1-2020

Abstract

Considerable evidence exists that Americans possess not only low levels of political knowledge but also relatively uninformed—and sometimes misinformed—opinions on policy matters. Many recent studies focus on whether informational treatments have immediate effects on citizens’ factual beliefs and opinions about policy, but less is known about whether such treatments have enduring effects. Using a three-wave panel experiment, we assess the immediate and enduring effects of factual information provision on factual beliefs and opinion of the Affordable Care Act. We find a relatively persistent effect of information provision on accuracy of factual beliefs, but only an ephemeral shift in opinion, which typically drifts back to its pretreatment state within a few weeks. Our findings have implications for the understanding of citizen learning and opinion change, as well as ongoing scholarly debates about how long-lasting the effects of (experimental) interventions are.

Publication Source (Journal or Book title)

American Politics Research

First Page

263

Last Page

274

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