Gerber et. al (2008), in the article 'Social Pressure and Voter Turnout: Evidence from a Large Scale Field Experiment', investigated how social nor...

Gerber et. al (2008), in the article 'Social Pressure and Voter Turnout: Evidence from a Large Scale Field Experiment', investigated how social norms affect political participation through an experiment. Mark the alternative that correctly represents the experiment used by the author.


a) The authors place ads on social networks of different groups of voters emphasizing the importance of voting.
b) The authors make an electronic voting simulation and observe the behavior of voters.
c) The authors send leaflets from one of the candidates to the homes of different groups of voters.
d) The authors release a video of a famous singer declaring their vote for one of the candidates.
e) The authors send different letters to groups of voters emphasizing certain aspects of social norms.