Science Advances

Supplementary Materials

The small effects of political advertising are small regardless of context, message, sender, or receiver: Evidence from 59 real-time randomized experiments

Alexander Coppock, Seth J. Hill, Lynn Vavreck

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This PDF file includes:

  • Treatments
  • Repeat advertisements
  • Analysis of heterogeneity
  • Advertisement transcripts
  • Random assignment
  • Survey questionnaire
  • Tables S1 to S3
  • Fig. S1

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