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Treatment of Missing Data in Workforce Education Research
Most quantitative analyses in workforce education are affected by missing data. Traditional approaches to remedy missing data problems often result in reduced statistical power and biased parameter estimates due to systematic differences between missing and observed values. This article
examines the treatment of missing data in pertinent quantitative analyses published in recent issues of Career and Technical Education Research. Next, essential missing data patterns and mechanisms are reviewed, and alternative methods of handling missing data are discussed. The article concludes
with a comparison of missing data methods using a small sample from the National Longitudinal Survey of Youth 1997 to illustrate the detrimental effects of traditional approaches to handling missing data, and demonstrate the benefits of multiple imputation (MI) as an efficient modern missing
data technique.
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Keywords: CTE; VET; career-technical education; missing data; multiple imputation; vocational education and training
Document Type: Research Article
Publication date: 01 January 2012
- (CTER) publishes refereed articles that examine research and research-related topics in vocational/career and technical education, career development, human resource development, career issues in the schools (Grades K-12), postsecondary education, adult and lifelong learning, and workforce education. The CTER Editorial Board is committed to publishing scholarly work that represents a variety of conceptual and methodological bases. Submission of manuscripts representing one of the following styles is encouraged: (a) empirically-based manuscripts that report results of original research, either quantitative or qualitative, (b) reviews or synthesis of empirical or theoretical literature, (c) essays derived from original historical or philosophical research, (d) reviews of recently published books, and (e) rejoinders to articles recently published in CTER. CTER will consider for publication papers initially presented at conferences, including those disseminated through conference proceedings.
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