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

Multiple Comparison Tests01:13

Multiple Comparison Tests

3.4K
Multiple comparison test, abbreviated as MCT, is a post hoc analysis generally performed after comparing multiple samples with one or more tests. An MCT will help identify a significantly different sample among multiple samples or a factor among multiple factors.
It would be easy to compare two samples using a significance alpha level of 0.05. In other words, there is only one sample pair to be compared. However, it would be difficult to identify a significantly different sample if the number...
3.4K
Wilcoxon Signed-Ranks Test for Matched Pairs01:09

Wilcoxon Signed-Ranks Test for Matched Pairs

624
The Wilcoxon signed-rank test for matched pairs evaluates the null hypothesis by combining the ranks of differences with their signs. It essentially tests whether the median of the differences in a population of matched pairs is zero. Since the test incorporates more information than the sign test, it generally yields more trustable conclusions. This test also does not require the data to follow a normal distribution, but two conditions must be met for it to be applicable: (1) the data must...
624
Comparing Copy Number Variations and SNPs02:26

Comparing Copy Number Variations and SNPs

11.6K
Sequencing of the human genome has opened up several best-kept secrets of the genome. Scientists have identified thousands of genome variations that exist within a population. These variations can be a single nucleotide or a larger chromosomal variation.
Copy number variations or CNVs are the structural variations that cover more than 1kb of DNA sequence. The single nucleotide polymorphism (SNP), on the other hand, is a single nucleotide change or a point mutation that is found in more than 1%...
11.6K
Comparing the Survival Analysis of Two or More Groups01:20

Comparing the Survival Analysis of Two or More Groups

712
Survival analysis is a cornerstone of medical research, used to evaluate the time until an event of interest occurs, such as death, disease recurrence, or recovery. Unlike standard statistical methods, survival analysis is particularly adept at handling censored data—instances where the event has not occurred for some participants by the end of the study or remains unobserved. To address these unique challenges, specialized techniques like the Kaplan-Meier estimator, log-rank test, and...
712
Drug Concentration Versus Time Correlation01:15

Drug Concentration Versus Time Correlation

3.0K
The plasma drug concentration-time curve is a crucial tool in pharmacokinetics, representing the drug's concentration in plasma at different time intervals post-administration. This curve illustrates the drug's journey from absorption into the systemic circulation, distribution to body tissues, and eventual elimination through excretion or biotransformation.
Two pivotal parameters are the minimum effective concentration (MEC) and the minimum toxic concentration (MTC). The MEC is the...
3.0K
Interference: Path Lengths01:10

Interference: Path Lengths

2.5K
Consider two sources of sound, that may or may not be in phase, emitting waves at a single frequency, and consider the frequencies to be the same.
Two special sources may be considered when they are in phase. This can be easily achieved by feeding the two sources from the same source. An example would be synchronizing the two speakers by feeding them with the same source, such as the sound waves produced by a tuning fork. This setup ensures that the two sources have the same frequency and are...
2.5K

You might also read

Related Articles

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

Sort by
Same author

Scaling of events spaced in time.

Behavioural processes·2014
Same author

Changing rates of reinforcement perturbs the flow of time.

Behavioural processes·2014
Same author

A temporal intermediate stimulus problem.

Journal of experimental psychology. Animal behavior processes·1998
Same author

Judging relative duration: the role of rule and instructional variables.

Journal of experimental psychology. Animal behavior processes·1996
Same author

Dimensions of stimulus complexity.

Journal of experimental psychology. Animal behavior processes·1996
Same author

Categorical scaling of time: implications for clock-counter models.

Journal of experimental psychology. Animal behavior processes·1995
Same journal

Behavioral and physiological changes during the estrous cycle of socially housed female guinea pigs.

Behavioural processes·2026
Same journal

Flexible time-series analysis: A dynamically aware method for inferring directed dependencies in behavioral data.

Behavioural processes·2026
Same journal

Effects of group size and landmarks on escape behavior of three fish species.

Behavioural processes·2026
Same journal

Vocal individuality in two sympatric seabird species: The role of developmental strategy, analytical approach and sample size.

Behavioural processes·2026
Same journal

No evidence of sex-specific responses to chemosensory risk assessment cues in Harts rivulus.

Behavioural processes·2026
Same journal

Exploratory responses of rats to cage-mates and conspecifics from another cage in a habituation-dishabituation paradigm with multiple habituation stimuli.

Behavioural processes·2026
See all related articles

Related Experiment Video

Updated: Apr 28, 2026

Author Spotlight: Alignment of Synchronized Time-Series Data Using the Characterizing Loss of Cell Cycle Synchrony Model for Cross-Experiment Comparisons
07:59

Author Spotlight: Alignment of Synchronized Time-Series Data Using the Characterizing Loss of Cell Cycle Synchrony Model for Cross-Experiment Comparisons

Published on: June 9, 2023

2.0K

Pair comparison of durations.

J G Fetterman1, L R Dreyfus2

  • 1Department of Psychology, Norwich University, Northfield, VT 05663, USA.

Behavioural Processes
|June 5, 2014
PubMed
Summary
This summary is machine-generated.

Pigeons can discriminate between light durations, with accuracy depending on the temporal difference. Performance remained above chance even with longer intervals between stimuli.

More Related Videos

A Two-interval Forced-choice Task for Multisensory Comparisons
07:13

A Two-interval Forced-choice Task for Multisensory Comparisons

Published on: November 9, 2018

10.6K
RBDT: A Computerized Task System based in Transposition for the Continuous Analysis of Relational Behavior Dynamics in Humans
11:09

RBDT: A Computerized Task System based in Transposition for the Continuous Analysis of Relational Behavior Dynamics in Humans

Published on: July 17, 2021

2.5K

Related Experiment Videos

Last Updated: Apr 28, 2026

Author Spotlight: Alignment of Synchronized Time-Series Data Using the Characterizing Loss of Cell Cycle Synchrony Model for Cross-Experiment Comparisons
07:59

Author Spotlight: Alignment of Synchronized Time-Series Data Using the Characterizing Loss of Cell Cycle Synchrony Model for Cross-Experiment Comparisons

Published on: June 9, 2023

2.0K
A Two-interval Forced-choice Task for Multisensory Comparisons
07:13

A Two-interval Forced-choice Task for Multisensory Comparisons

Published on: November 9, 2018

10.6K
RBDT: A Computerized Task System based in Transposition for the Continuous Analysis of Relational Behavior Dynamics in Humans
11:09

RBDT: A Computerized Task System based in Transposition for the Continuous Analysis of Relational Behavior Dynamics in Humans

Published on: July 17, 2021

2.5K

Area of Science:

  • Animal behavior
  • Cognitive psychology
  • Comparative psychology

Background:

  • Temporal perception is crucial for many species.
  • Understanding how animals process time aids in understanding cognitive mechanisms.
  • Pigeons have been extensively studied for their perceptual and cognitive abilities.

Purpose of the Study:

  • To investigate pigeons' ability to discriminate between different light durations.
  • To examine how the relative temporal difference between stimuli affects accuracy.
  • To assess the impact of interstimulus intervals on temporal discrimination.

Main Methods:

  • Pigeons were trained on a pair comparison task using varying light durations.
  • Generalization tests with novel duration pairs were conducted.
  • Interstimulus intervals of 2, 5, 10, and 30 seconds were introduced.

Main Results:

  • Pigeons demonstrated appropriate responses, with accuracy correlating with the relative temporal difference.
  • Accuracy on novel duration pairs exceeded 70% in most cases.
  • Performance accuracy decreased as interstimulus intervals increased, but remained above chance.

Conclusions:

  • Pigeons possess a sophisticated ability to discriminate temporal durations.
  • Relative temporal differences are a primary factor in pigeons' temporal judgments.
  • Interstimulus intervals negatively impact accuracy, but do not eliminate temporal discrimination abilities.