A Cox Proportional Hazards Model with Latent Covariates Reflecting Students’ Preparation, Motives, and Expectations for the Analysis of Time to Degree

Dimitrios Kalamaras (), Laura Maska and Fani Nasika ()
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Dimitrios Kalamaras: Department of Psychology, School of Human Sciences, Aegean College, University of Essex, 105 64 Athina, Greece
Laura Maska: Department of Psychology, School of Human Sciences, Aegean College, University of Essex, 105 64 Athina, Greece
Fani Nasika: Department of Psychology, School of Human Sciences, Aegean College, University of Essex, 105 64 Athina, Greece

Stats, 2025, vol. 8, issue 2, 1-13

Abstract: Issues related to the duration of university studies have attracted the interest of many researchers from different scientific fields, as far back as the middle of the 20th century. In this study, a Survival Analysis methodology and, more specifically, a Cox Proportional hazards model, has been proposed to evaluate a theoretical framework/model that relates the risk a student might face either graduating on time or having a late graduation, with a number of observed and latent factors that have been proposed in the literature as the main determinants of time to degree completion. The major findings of the analysis suggest that the factors contributing to reducing the duration of studies include high academic achievements at early stages, positive motivation, expectations, attitudes, and beliefs regarding studies. On the contrary, external situations, negative academic experiences, and some individual characteristics of the students contribute to an extended duration of studies.

Keywords: time to degree; late graduation; duration of university studies; cox proportional hazards model; latent covariates; academic success; graduation rate (search for similar items in EconPapers)
JEL-codes: C1 C10 C11 C14 C15 C16 (search for similar items in EconPapers)
Date: 2025
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