Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Sign Test for Matched Pairs01:17

Sign Test for Matched Pairs

486
The sign test for matched pairs offers a robust method for comparing two paired samples, often for the effects of an intervention in one of them. This method is very useful in situations where the underlying distribution of the data is unknown. The test compares two related samples—often pre- and post-treatment measurements on the same subjects—to determine if there are significant differences in their median values.
To conduct the sign test, we first calculate the differences in...
486
Testing a Claim about Population Proportion01:24

Testing a Claim about Population Proportion

2.9K
A complete procedure for testing a claim about a population proportion is provided here.
There are two methods of testing a claim about a population proportion: (1) Using the sample proportion from the data where a binomial distribution is approximated to the normal distribution and (2) Using the binomial probabilities calculated from the data.
The first method uses normal distribution as an approximation to the binomial distribution. The requirements are as follows: sample size is large...
2.9K
Mate Choice01:20

Mate Choice

8.3K
Mate choice—the decision about whom to mate with—is a type of natural selection, since animals must reproduce to pass down their genes. Mate choice is also called intersexual selection because the behavior occurs between the sexes.
8.3K

You might also read

Related Articles

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

Sort by
Same author

Choice reaction time: the location of auditory and visual similarity.

The American journal of psychology·1973
Same author

Letters.

Science (New York, N.Y.)·1971
Same author

Note on visual perception in schizophrenic Ss.

Perceptual and motor skills·1965
See all related articles

Related Experiment Video

Updated: May 6, 2026

Touchscreen Sustained Attention Task SAT for Rats
09:31

Touchscreen Sustained Attention Task SAT for Rats

Published on: September 15, 2017

9.6K

Sex composition and group performance in a visual signal detection task.

D E Clement1, J J Schiereck

  • 1University of South Florida, 33620, Tampa, Florida.

Memory & Cognition
|November 12, 2013
PubMed
Summary
This summary is machine-generated.

Group composition impacts decision-making. Mixed-sex groups performed worse on a visual signal detection task, especially when seated adjacently, suggesting seating arrangements influence group performance.

More Related Videos

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
07:12

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

1.0K
Manipulation of Color Patterns in Jumping Spiders for Use in Behavioral Experiments
09:03

Manipulation of Color Patterns in Jumping Spiders for Use in Behavioral Experiments

Published on: May 21, 2019

11.3K

Related Experiment Videos

Last Updated: May 6, 2026

Touchscreen Sustained Attention Task SAT for Rats
09:31

Touchscreen Sustained Attention Task SAT for Rats

Published on: September 15, 2017

9.6K
Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
07:12

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

1.0K
Manipulation of Color Patterns in Jumping Spiders for Use in Behavioral Experiments
09:03

Manipulation of Color Patterns in Jumping Spiders for Use in Behavioral Experiments

Published on: May 21, 2019

11.3K

Area of Science:

  • Social Psychology
  • Cognitive Psychology
  • Human Factors

Background:

  • Group dynamics significantly influence individual and collective performance.
  • Understanding how group composition, such as sex heterogeneity, affects decision-making is crucial for optimizing collaborative tasks.

Purpose of the Study:

  • To investigate the impact of group sex composition and seating arrangement on performance in a visual signal detection task.
  • To determine if homogeneous or mixed-sex groups, and specific seating patterns, yield better decision-making outcomes.

Main Methods:

  • Forty-eight participants (24 males, 24 females) completed 720 trials of a 16-alternative forced-choice visual signal detection task.
  • Participants were organized into four group types: all-male, all-female, mixed-alternate seating, and mixed-adjacent seating.
  • Group performance was assessed based on sensitivity and decision-making accuracy.

Main Results:

  • No significant performance differences were observed between all-male and all-female groups.
  • Mixed-sex groups exhibited poorer performance compared to homogeneous-sex groups.
  • Mixed-adjacent groups demonstrated significantly lower sensitivity than homogeneous-sex groups.

Conclusions:

  • Group sex heterogeneity interacts with seating patterns to affect performance in collaborative tasks.
  • Seating arrangements may facilitate or hinder the formation of information coalitions among like-sex group members, impacting overall group sensitivity.
  • Findings suggest that optimizing group composition and spatial arrangement is key for enhancing collective decision-making in certain contexts.