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

The Evidence for Evolution02:55

The Evidence for Evolution

47.7K
Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.
47.7K
Convergent Evolution01:54

Convergent Evolution

31.7K
Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.
31.7K
What is a Hypothesis?01:14

What is a Hypothesis?

14.7K
A hypothesis can be a simple sentence or statement about a property or any phenomenon observed or predicted for a population. It is usually a claim about a  property of the population. It can be stated for any field observations or experiments. A hypothesis statement cannot be said to be right or wrong as it is merely a statement. It needs to be tested through an elaborate data collection process and an appropriate statistical test. A hypothesis should be a general but not a vague...
14.7K
Hypothesis Test for Test of Independence01:16

Hypothesis Test for Test of Independence

7.4K
The test of independence is a chi-square-based test used to determine whether two variables or factors are independent or dependent. This hypothesis test is used to examine the independence of the variables. One can construct two qualitative survey questions or experiments based on the variables in a contingency table. The goal is to see if the two variables are unrelated (independent) or related (dependent). The null and alternative hypotheses for this test are:
H0: The two variables (factors)...
7.4K
Types of Hypothesis Testing01:11

Types of Hypothesis Testing

27.9K
There are three types of hypothesis tests: right-tailed, left-tailed, and two-tailed.
When the null and alternative hypotheses are stated, it is observed that the null hypothesis is a neutral statement against which the alternative hypothesis is tested. The alternative hypothesis is a claim that instead has a certain direction. If the null hypothesis claims that p = 0.5, the alternative hypothesis would be an opposing statement to this and can be put either p > 0.5, p < 0.5, or p...
27.9K
Errors In Hypothesis Tests01:14

Errors In Hypothesis Tests

5.8K
When performing a hypothesis test, there are four possible outcomes depending on the actual truth (or falseness) of the null hypothesis and the decision to reject or not.
5.8K

You might also read

Related Articles

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

Sort by
Same author

Sensorimotor Complexity and Cognition as Predictors of Primate Brain Size.

American journal of biological anthropology·2026
Same author

Making friends in an asymmetric game: the establishment of male-female grooming exchanges in vervet monkeys.

Proceedings. Biological sciences·2026
Same author

Parental investment and body temperature explain encephalization in vertebrates.

Proceedings of the National Academy of Sciences of the United States of America·2025
Same author

A global database on blowguns with links to geography and language.

Evolutionary human sciences·2025
Same author

Slowly but Surely: Larger Brains Improve Immature Survival in Primates.

American journal of primatology·2025
Same author

Cooperative Breeding as a Likely Early Catalyst of Human Evolution.

Evolutionary anthropology·2025

Related Experiment Video

Updated: Jan 26, 2026

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues
07:34

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

Published on: June 3, 2013

17.9K

Evaluating the self-domestication hypothesis of human evolution.

Marcelo R Sánchez-Villagra1, Carel P van Schaik2

  • 1Palaeontological Institute and Museum, University of Zurich, Zurich, Switzerland.

Evolutionary Anthropology
|April 3, 2019
PubMed
Summary

The self-domestication hypothesis suggests that selection for reduced aggression in humans mirrors animal domestication. This may explain prosocial behaviors and unique human traits through developmental correlations, though further testing is needed.

Keywords:
modularityratetamenessvariationviolence

More Related Videos

Molecular Evolution of the Tre Recombinase
12:02

Molecular Evolution of the Tre Recombinase

Published on: May 29, 2008

10.1K
Drug Repurposing Hypothesis Generation Using the "RE:fine Drugs" System
05:10

Drug Repurposing Hypothesis Generation Using the "RE:fine Drugs" System

Published on: December 11, 2016

10.2K

Related Experiment Videos

Last Updated: Jan 26, 2026

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues
07:34

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

Published on: June 3, 2013

17.9K
Molecular Evolution of the Tre Recombinase
12:02

Molecular Evolution of the Tre Recombinase

Published on: May 29, 2008

10.1K
Drug Repurposing Hypothesis Generation Using the "RE:fine Drugs" System
05:10

Drug Repurposing Hypothesis Generation Using the "RE:fine Drugs" System

Published on: December 11, 2016

10.2K

Area of Science:

  • Evolutionary Biology
  • Human Evolution
  • Behavioral Science

Background:

  • The self-domestication hypothesis proposes that humans evolved through processes similar to animal domestication.
  • This theory integrates physiological, behavioral, and morphological data to explain human evolution.
  • It suggests selection for reduced aggression favored prosocial behaviors and unique human traits.

Purpose of the Study:

  • To review the history and patterns of the self-domestication hypothesis in human evolution.
  • To examine the explanatory power and testability of the neural crest hypothesis for domestication.
  • To propose future research directions for validating self-domestication as a model for human evolution.

Main Methods:

  • Review of existing literature on self-domestication and animal domestication patterns.
  • Analysis of the neural crest hypothesis and its empirical challenges.
  • Conceptualization of morphological byproducts as signals of reduced xenophobia.

Main Results:

  • The self-domestication concept offers a novel framework for understanding human evolution.
  • A lack of empirical studies on evolutionary rates hinders direct comparison with animal domestication.
  • The neural crest hypothesis is powerful but difficult to test empirically.

Conclusions:

  • Morphological byproducts of domestication may serve as honest signals of reduced xenophobia in humans.
  • Further research is needed to test alternative explanations and generate data for self-domestication predictions.
  • The self-domestication hypothesis requires more empirical validation to be fully accepted.