Library
Experiments
Campaign ad persuasion experiments
Hewitt, Broockman, Coppock et al. · APSR 2024 · Swayable
617 real campaign ads, each tested against a control group: measured persuasion effects, hand-coded features for every ad, and 607,450 de-identified responses.
persuasionrandomizedvideo ads20182020
What it can tell you
Which coded ad features went with larger measured persuasion
How much true effects vary from ad to ad
How persuasion differs by party and gender of the viewer
What it can't
The ads themselves, their transcripts, or campaign names
Paid engagement metrics like views or shares
Schema · 31 columns
study_idstring
dataset_yearfloat64
response_idstring
treatfloat64
content_idstring
start_timefloat64
birth_yearfloat64
agefloat64
genderstring
educationstring
ethnicitystring
party_continuousfloat64
partystring
covariates.Gender.Xa01aeb488250string
covariates.Education_Alt2.X39f690afdab3string
covariates.PoliticalPartyNoOp.Xc0099c5732d9float64
covariates.PoliticalBeliefsNoOp.X756e64b019fefloat64
covariates.TrumpApproveNoOp.Xaeca50508c71float64
covariates.BirthYear2020.X8236c9b99112float64
covariates.WhatRaceOrEthnicGroupMostIdentifyWith.Xcbe8335da070string
favorabilityfloat64
votechoicefloat64
votechoice_dichotomizedfloat64
drop_spammerboolean
drop_mistargetedboolean
drop_duplicateboolean
drop_addtreatmentboolean
drop_deltreatmentboolean
drop_treatmentexcludedboolean
dropboolean
cluster_idInt32
Files
Cite
Hewitt, L., Broockman, D., Coppock, A., Tappin, B., Slezak, J., Coffman, V., Lubin, N., & Hamidian, M. (2024). How Experiments Help Campaigns Persuade Voters. American Political Science Review.