Effects of Online Unfolding Case Studies on Clinical Reasoning and Academic Performance of Undergraduate Nursing Students.

A single-episode online case study increases cognitive load in contrast to an unfolding online case study, which decreases cognitive load, improves academic performance, and enhances clinical reasoning. However, online utilization of unfolding case studies is limited. A one-group pretest posttest experimental design was employed with 45 nursing students in a pathophysiology course.