Increasing Precision without Altering Treatment Effects: Repeated Measures Designs in Survey Experiments

• Published in: The American political science review Vol. 115; no. 3; pp. 1048 - 1065
• Main Authors: CLIFFORD, SCOTT, SHEAGLEY, GEOFFREY, PISTON, SPENCER
• Format: Journal Article
• Language: English
• Published: New York, USA Cambridge University Press 01.08.2021
• Subjects: Between-subjects design; Collaboration; Dependent variables; Estimates; Evidence; Experiments; Fear & phobias; Heterogeneity; Inferences; Meta Analysis; Outcome Measures; Political science; Polls & surveys; Public Opinion; Recruitment; Researchers; Resistance (Psychology); Scientists; Statistical power; Wisdom; Within-subjects design

The use of survey experiments has surged in political science. The most common design is the between-subjects design in which the outcome is only measured posttreatment. This design relies heavily on recruiting a large number of subjects to precisely estimate treatment effects. Alternative designs t...