The status-quo and challenges of CAI surveys in political science

Comparisons of waseda-CASI surveys and official election results

Aiji Tanaka, Airo Hino

    Research output: Contribution to journalArticle

    Abstract

    In this paper, we illustrate how CAI surveys in political science have developed in the context of election studies, in particular, how CASI (Computer Assisted Self-administered Interviews) surveys have been applied to election studies in Japan. We then argue that various advantages exist for a survey mode of CASI, ranging from a quick data output, randomization and customization of questions and response choices, recording response time, implementation of survey experiments, mitigating social desirability bias, and to high representativeness. At the same time, we reckon two disadvantages of CASI, which are a lower response rate and a higher cost than other survey modes. To examine if a lower response rate really undermines a representativeness of data collected by CASI, we constructed a database of 79 post-election surveys conducted in Japan. Our analyses demonstrated that a lower response rate does not necessarily increase a turnout bias, i.e. a gap between an estimated turnout in surveys and the actual turnout at an election. Our analyses also confirmed that a lower response rate neither increases a vote percentage bias, i.e. a gap between estimated percentages of votes garnered by political parties and the official election results. Among the several survey modes, CASI appears to be closest to the actual electoral records. The concerns over a higher cost of CAI remain but its advantages seem to be not only theoretically assured but also empirically grounded.

    Original languageEnglish
    Pages (from-to)201-224
    Number of pages24
    JournalSociological Theory and Methods
    Volume30
    Issue number2
    Publication statusPublished - 2015

    Fingerprint

    election result
    political science
    interview
    election research
    voter
    trend
    election
    Japan
    social desirability
    costs
    recording
    experiment

    Keywords

    • CASI
    • Post-Election Surveys
    • Social Desirability Bias
    • Turnout Bias
    • Vote Percentage

    ASJC Scopus subject areas

    • Social Sciences (miscellaneous)
    • Sociology and Political Science

    Cite this

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