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Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies
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You Know What I Know: Interviewer Knowledge Effects in Subjective Expectation Elicitation.

Jason T Kerwin1, Natalia Ordaz Reynoso1

  • 1Department of Applied Economics and Minnesota Population Center, University of Minnesota, Saint Paul, MN, USA.

Demography
|April 9, 2021
PubMed
Summary
This summary is machine-generated.

Interviewer knowledge in face-to-face surveys can influence respondent beliefs, shifting reported numbers. Stronger prior beliefs in individuals make them less susceptible to this interviewer effect.

Keywords:
Interviewer effectsRisk beliefsSpilloversSubjective expectationsSurvey methodology

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Area of Science:

  • Social Science Research
  • Survey Methodology
  • Psychological Research

Background:

  • Directly eliciting subjective beliefs through surveys is common in social science.
  • Face-to-face surveys present a challenge: interviewer knowledge may bias respondent beliefs.

Purpose of the Study:

  • To investigate the impact of interviewer knowledge on reported subjective beliefs in surveys.
  • To quantify the effect of interviewer priming on survey responses.

Main Methods:

  • A randomized experiment was conducted using interviewers to implement an information treatment.
  • Interviewer training aimed to prime respondents with specific numerical information.

Main Results:

  • Reported beliefs were significantly shifted by interviewer knowledge.
  • Responses decreased by approximately 0.3 standard deviations due to interviewer priming.
  • Individuals with stronger prior beliefs were less influenced by interviewer knowledge.

Conclusions:

  • Interviewer knowledge poses a significant threat to the validity of reported beliefs in surveys.
  • Strategies for interviewer recruitment, survey design, and experiment setup are needed to mitigate this bias.
  • Understanding these effects is crucial for accurate social science research.