Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Social Loafing

Another way in which a group presence can affect performance is social loafing—the exertion of less effort by a person working together with a group. Social loafing occurs when our individual performance cannot be evaluated separately from the group. Thus, group performance declines on easy tasks (Karau & Williams, 1993). Essentially individual group members loaf and let other group members pick up the slack. Because each individual’s efforts cannot be evaluated, individuals become less...

Comparing Experimental Results: Student's t-Test

Comparing Experimental Results: Student's t-Test

The t-test is a statistical method used to compare the sample mean with a population mean or compare two means from two data sets. The test statistic is calculated from the standard deviation, mean, and number of measurements in the data set at a selected confidence interval and then compared to a table of critical values at this confidence level. If the test statistic is smaller than the critical value, the null hypothesis is accepted. In this case, we state that the difference between the...

Group Design

Group Design

The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between the two are due to...

Surveys

Surveys

Often, psychologists develop surveys as a means of gathering data. Surveys are lists of questions to be answered by research participants, and can be delivered as paper-and-pencil questionnaires, administered electronically, or conducted verbally. Generally, the survey itself can be completed in a short time, and the ease of administering a survey makes it easy to collect data from a large number of people.

Robbers Cave

Robbers Cave

During the 1950s, the landmark Robbers Cave experiment demonstrated that when groups must compete with one another, intergroup conflict, hostility, and even violence may result. At the Oklahoman summer camp, two troops of boys—termed the Rattlers and the Eagles—took part in a week-long tournament. During this time, their negativity culminated in derogatory name-calling, fistfights, and even vandalism and destruction of property. However, this work also revealed that such tension could be...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Not Starling's first name: acknowledging Otto Frank's legacy in physiology education.

Advances in physiology education·2026

Same author

When causality becomes elegant: from mechanism to meaning in physiology.

Advances in physiology education·2026

Same author

The illusion of learning: turning studying into thinking.

Advances in physiology education·2025

Same author

Systolic-dominant coronary flow in rats and mice: Challenging the diastolic paradigm across conscious and anaesthetized states.

Experimental physiology·2025

Same author

Making the invisible visible: exploring cardiovascular regulation with a simple analog blood pressure model.

Advances in physiology education·2025

Same author

Why great students rarely make it to medical school: the antithesis between medical admissions and intellectual excellence.

Advances in physiology education·2025

Search research articles

Related Experiment Video

Updated: Jun 25, 2026

Group Synchronization During Collaborative Drawing Using Functional Near-Infrared Spectroscopy

Group Synchronization During Collaborative Drawing Using Functional Near-Infrared Spectroscopy

Published on: August 5, 2022

Student interaction characteristics during collaborative group testing.

Mauricio J Giuliodori¹, Heidi L Lujan, Stephen E DiCarlo

¹Cátedra de Fisiología, Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata, La Plata, Argentina.

Advances in Physiology Education

|March 6, 2009

Summary

This summary is machine-generated.

Collaborative testing in veterinary physiology shows students with incorrect answers change them more often in groups. Correct answers, not high performance, generally prevail during peer discussions, improving learning outcomes.

More Related Videos

Problem-Solving Before Instruction (PS-I): A Protocol for Assessment and Intervention in Students with Different Abilities

Problem-Solving Before Instruction (PS-I): A Protocol for Assessment and Intervention in Students with Different Abilities

Published on: September 11, 2021

Related Experiment Videos

Last Updated: Jun 25, 2026

Group Synchronization During Collaborative Drawing Using Functional Near-Infrared Spectroscopy

Group Synchronization During Collaborative Drawing Using Functional Near-Infrared Spectroscopy

Published on: August 5, 2022

Problem-Solving Before Instruction (PS-I): A Protocol for Assessment and Intervention in Students with Different Abilities

Problem-Solving Before Instruction (PS-I): A Protocol for Assessment and Intervention in Students with Different Abilities

Published on: September 11, 2021

Area of Science:

Veterinary Education
Physiology Education
Collaborative Learning

Background:

Traditional individual testing may not fully assess understanding.
Collaborative testing offers a dynamic approach to learning and assessment.
Peer interaction can enhance knowledge consolidation and identify misconceptions.

Purpose of the Study:

To investigate answer changes during collaborative testing in veterinary physiology.
To determine if high-performing students dominate group decision-making.
To assess the impact of answer discrepancies on peer feedback effectiveness.

Main Methods:

Administered individual exams, followed by group exams on the same material.
Analyzed answer changes between individual and group testing phases.
Incorporated instructor feedback after group discussions.
Collected data from 65 veterinary physiology students.

Main Results:

Students with initially incorrect answers were significantly more likely to change them in groups (OR: 7.58, P < 0.01).
Peer discussions were more beneficial when group members held differing initial answers (P < 0.05).
When answers differed, changes favored correct responses (77% vs. 23%, P < 0.01).
The presence of a correct answer, regardless of student performance level, typically determined the final group answer (approx. 80%, P = 0.5).

Conclusions:

Collaborative testing effectively promotes correction of misconceptions.
The accuracy of an answer is a stronger driver than student performance level in group settings.
Peer learning dynamics in collaborative testing significantly enhance learning outcomes in veterinary physiology.