Assessing the Relationship Between Didactic Performance and Standardized Examination Scores in Pharmacy Students

Objective. To examine the effect size of third professional (P3) year students' grade point average (GPA) on Pharmacy Curriculum Outcomes Assessment (PCOA) scores and to summarize the effect size of PCOA scores on North American Pharmacist Licensure Examination (NAPLEX) scores. Methods. To accomplish the objective, meta-analyses were conducted. For inclusion in the meta-analysis, studies were required to compare PCOA scores to and report data that permitted calculation of a numeric effect size for the chosen outcome variables. Multiple databases were searched, including PubMed, CINAHL, EMBASE, ProQuest Dissertations and Thesis (abstract limited), Academic Search Complete, and Google Scholar. Correlations were used as the effect size metric for all outcomes. All analyses used an inverse variance weighted random effects model. Study quality was reviewed for each study included in the meta-analyses. Results. This study found that PCOA scores were moderately correlated with P3 GPAs, accounting for 14% to 48% of the variability in PCOA scores. The meta-analyses also showed that PCOA scores were moderately correlated with NAPLEX and accounted for 25% to 53% of the variability in NAPLEX scores. Both meta-analyses showed a high degree of heterogeneity and many studies included were of low quality. Conclusion. This first set of meta-analyses to be conducted on the PCOA showed that third professional year GPA does correlate with PCOA results and that PCOA scores correlate with NAPLEX results. Though there are significant limitations to interpretation of the results, these results do help further elucidate the role of the PCOA as a benchmark of progress within the pharmacy curriculum.