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Research Methods in the Social Sciences: An A-Z of key concepts

Research Methods in the Social Sciences: An A-Z of key concepts (1st edn)

Jean-Frédéric Morin, Christian Olsson, and Ece Özlem Atikcan
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date: 02 December 2021

p. 110Experimentslocked

p. 110Experimentslocked

  • Damien Bol

Abstract

This chapter discusses experiments. For decades, social scientists were convinced that experimentations were not for them. Consequently, the use of comparative analysis was recommended as a substitute. Yet, since 1990, experiments have become increasingly popular in the social sciences. Experiments have two important advantages compared to observational methods. First, they allow the researcher to clearly identify what the causal variable X is and the outcome Y. Second, with observational methods the precision of the estimates depends on the extent to which the researcher manages to control for the differences between the cases. When the researcher cannot entirely capture these differences, the estimates are likely to be inflated, underestimated, or simply wrong. The chapter then considers the ‘Neyman-Rubin potential-outcome framework’ and looks at the two broad types of experiments: experiments in the field (including survey experiments), and in the lab. It also addresses ethical experiments.

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