Related Experiment Video
Updated: May 8, 2026

06:17
A Task for Assessing the Impact of a Partner on the Speed and Accuracy of Motor Performance in Rats
Published on: October 17, 2019
The effects of initial habit strength differences upon performance in a coaction situation
1a Faculty of Physical Education , University of Western Ontario.
Journal of Motor Behavior
|August 22, 2013
Summary
Initial habit strength impacts performance in coaction settings. However, coaction did not significantly alter performance based on habit strength, contrary to hypotheses.
Area of Science:
- Psychology
- Behavioral Science
- Social Psychology
Background:
- Habit strength is a key factor influencing response selection and performance.
- Coaction, performing a task in the presence of others, can modulate individual behavior.
- Previous research suggests coaction effects vary depending on task complexity and individual differences.
Purpose of the Study:
- To investigate how pre-existing differences in habit strength affect performance in a coaction setting.
- To determine if coaction interacts with habit strength to enhance or impair performance.
- To compare performance in coaction versus alone conditions.
Main Methods:
- A habit-strength hierarchy was established for four alternative responses in three groups via differential response expectancy training.
- Participants completed a task in either a coaction or alone condition during a test session.
- Performance and consistency of performance were measured.
Main Results:
- Pretraining on the correct habit significantly affected both performance and consistency.
- No statistically significant interaction was found between coaction and habit-strength condition.
- No significant differences in performance were observed between coaction and alone conditions.
Conclusions:
- Initial habit strength is a significant determinant of performance, even in social settings.
- The presence of others (coaction) did not differentially affect performance based on the strength of the pre-established habit.
- Further research is needed to understand the nuanced effects of social facilitation and inhibition in relation to learned behaviors.
More Related Videos
Related Concept Videos
Social Facilitation
Not all intergroup interactions lead to negative outcomes. Sometimes, being in a group situation can improve performance. Social facilitation occurs when an individual performs better when an audience is watching than when the individual performs the behavior alone. This typically occurs when people are performing a task for which they are skilled.
Cognitive Dissonance
Social psychologists have documented that feeling good about ourselves and maintaining positive self-esteem is a powerful motivator of human behavior (Tavris & Aronson, 2008). In the United States, members of the predominant culture typically think very highly of themselves and view themselves as good people who are above average on many desirable traits (Ehrlinger, Gilovich, & Ross, 2005). Often, our behavior, attitudes, and beliefs are affected when we experience a threat to our...
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...
Social Proof
Social proof is a form of persuasion based on comparison and conformity. People compare their behavior and actions to what others are doing and will change to conform to do what their peers do.
Timing and Consequences on Behavior
In operant conditioning, the timing of reinforcement is crucial. For animals like rats and cats, immediate reinforcement (within a few seconds) is much more effective than delayed reinforcement. For example, a food reward for a rat needs to follow within 30 seconds of pressing a bar to be effective.
Humans, however, can respond to delayed reinforcers. We often make decisions between immediate small rewards and delayed larger rewards. This ability to delay gratification is a significant factor...
Humans, however, can respond to delayed reinforcers. We often make decisions between immediate small rewards and delayed larger rewards. This ability to delay gratification is a significant factor...
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...

