A Critical Review of Election Polling: Methods, Applications, and Research Practices

Key Points

• This review critically examines the methods, applications, and practices of election polling in Korea. It aims to address the implications of these methods on political representation.
• Analysis of non-probability sampling methods used in Korean election polling.
• Evaluation of methodological limitations in polling practices and their impact on political decision-making.
• Examination of conventional practices in handling missing data through unit deletion methods.
• Identified extensive use of non-probability sampling methods in election polling, raising concerns about data reliability.
• Highlighted the lack of scrutiny on methodological limitations and their direct implications for political endorsement and reporting.
• Provided recommendations for institutional and methodological improvements to enhance the reliability and legitimacy of election polling.

Abstract