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Updated: Jul 21, 2026

Physiological Experimentation with the Crayfish Hindgut: A Student Laboratory Exercise
10:07

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Published on: January 18, 2011

Attendance and grades in a human physiology course

C S Hammen1, J L Kelland

  • 1Department of Zoology, University of Rhode Island, Kingston 02881.

The American Journal of Physiology
|December 1, 1994
PubMed
Summary

Regular attendance in human physiology lectures shows a slight correlation with higher exam scores. However, missing classes does not significantly impact overall learning outcomes in this study.

Area of Science:

  • Human Physiology Education
  • Academic Performance Research

Background:

  • Assessing the impact of attendance on student learning is crucial for optimizing educational strategies.
  • Introductory human physiology courses serve a diverse student population with varying academic needs.

Purpose of the Study:

  • To investigate the correlation between regular class attendance and examination scores in introductory human physiology.
  • To determine if attendance is a decisive factor in student learning of human physiology.

Main Methods:

  • Collected attendance and examination score data from 556 students over five semesters.
  • Employed linear regression analysis to evaluate the relationship between absences and total scores.
  • Examined correlation coefficients to quantify the strength of the attendance-score relationship.

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Main Results:

  • A statistically significant, yet small, negative correlation was found between total scores and absences.
  • Each absence was associated with an average decrease of 2 points (0.5%) in total scores.
  • Correlation coefficients averaged -0.33, indicating a weak association.

Conclusions:

  • Regular attendance is statistically helpful but not a decisive factor for learning human physiology.
  • Student performance is influenced by multiple factors beyond just class attendance.
  • Current textbook-based human physiology instruction may not solely rely on lecture attendance for knowledge acquisition.