NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Lucas C. Coffman

Department of Economics, Ohio State University
Arps Hall, 1945 N. High St
Columbus, OH 43210

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NBER Working Papers and Publications

October 2013The Size of the LGBT Population and the Magnitude of Anti-Gay Sentiment are Substantially Underestimated
with Katherine B. Coffman, Keith M. Marzilli Ericson: w19508
Measuring sexual orientation, behavior, and related opinions is difficult because responses are biased towards socially acceptable answers. We test whether measurements are biased even when responses are private and anonymous and use our results to identify sexuality-related norms and how they vary. We run an experiment on 2,516 U.S. participants. Participants were randomly assigned to either a "best practices method" that was computer-based and provides privacy and anonymity, or to a "veiled elicitation method" that further conceals individual responses. Answers in the veiled method preclude inference about any particular individual, but can be used to accurately estimate statistics about the population. Comparing the two methods shows sexuality-related questions receive biased responses ...
 
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