Cause and Event: Supporting Causal Claims through Logistic Models |
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Authors: | Ann A O’Connell and DeLeon L Gray |
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Institution: | (1) College of Education and Human Ecology, The Ohio State University, 29 West Woodruff Road, Room 211A Ramseyer, Columbus, OH 43210, USA;(2) College of Education and Human Ecology, Program in Educational Psychology and Philosophy, The Ohio State University, 29 West Woodruff Road, Columbus, OH 43210, USA |
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Abstract: | Efforts to identify and support credible causal claims have received intense interest in the research community, particularly
over the past few decades. In this paper, we focus on the use of statistical procedures designed to support causal claims
for a treatment or intervention when the response variable of interest is dichotomous. We identify seven key features of logistic
regression studies that should play a critical role in estimating a causal effect and discuss their implications for causal
inference. These include elaboration of research design, clarification of link function, model specification, challenges and
limitations of sample size, interpretation of treatment effect through odds ratios, statistical tests and examination of model
fit, and the potential for multilevel logistic models in pursuit of causal claims. Our recommendations are intended to guide
researchers in the critical evaluation of logistic regression models for analyses culminating in causal claims and to promote
stronger design and modeling strategies for reliable causal inference. |
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