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

Velocity of an Object01:18

Velocity of an Object

206
Understanding how an object moves along a path requires distinguishing between motion over a time span and motion at a precise moment. A useful example is a vehicle traveling along a straight and level path, where its position at any given time is known. The initial step in analyzing this motion is to measure how far the vehicle travels over a fixed time period. This measurement, called average velocity, is computed by dividing the total change in position by the duration over which the change...
206
Electric Potential and Potential Difference01:16

Electric Potential and Potential Difference

5.7K
Suppose a positive test charge moves away from a positive static charge, then the Coulomb force does positive work, and its electric potential energy decreases. The potential energy per unit charge is defined as the electric potential. The electric potential is independent of the test charge.
When a test charge moves from the initial to the final position, the electric potential difference between those positions is defined as the ratio of the change in the potential energy to the charge on the...
5.7K
Difference from Background: Limit of Detection01:05

Difference from Background: Limit of Detection

8.3K
The limit of detection (LOD) is the smallest amount of analyte that can be distinguished from the background noise. The LOD value corresponds to the concentration at which the analyte signal is three times larger than the standard deviation of the blank signal. Below this value, the analyte signal cannot be differentiated from the background noise. It is calculated by dividing the calibration slope by 3 times the standard deviation of the blank signals.
The LOD indicates the presence or absence...
8.3K
Identifying Statistically Significant Differences: The F-Test01:14

Identifying Statistically Significant Differences: The F-Test

3.8K
The F-test is used to compare two sample variances to each other or compare the sample variance to the population variance. It is used to decide whether an indeterminate error can explain the difference in their values. The underlying assumptions that allow the use of the F-test include the data set or sets are normally distributed, and the data sets are independent of each other. The test statistic F is calculated by dividing one variance by another. In other words, the square of one standard...
3.8K
Sum and Difference OpAmps01:22

Sum and Difference OpAmps

1.4K
Operational amplifiers (op-amps) are versatile devices that extend beyond amplification. In this context, two specific op-amp configurations are explored: the summing and difference amplifiers.
A summing amplifier, or an adder, utilizes an op-amp to merge multiple input signals into a single output signal. When audio signals are introduced into its input channels, the input resistors initiate currents that traverse feedback resistors, resulting in an output voltage. Applying Kirchhoff's current...
1.4K
Vygotsky's Cognitive Development in Cultural Context01:22

Vygotsky's Cognitive Development in Cultural Context

1.0K
Lev Vygotsky, a pioneering Russian psychologist, developed a theory of cognitive development that centers on the influence of social and cultural factors. Unlike Jean Piaget, who emphasized the child's direct interaction with the physical world as key to development, Vygotsky argued that cognitive growth is an interpersonal process that unfolds within a cultural context. For Vygotsky, a child's learning cannot be separated from their social environment, which includes the values,...
1.0K

You might also read

Related Articles

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

Sort by
Same author

(When) is it okay to be angry? Children and adults' judgments in China and the United States.

Child development·2026
Same author

Mathematics performance predicts cognitive and affective math anxiety through mutual mediation pathways from adolescence onward with potential working memory moderations.

Scientific reports·2026
Same author

Modeling cooperation: Gendered parenting and its impact on children's reciprocal actions.

Developmental psychology·2026
Same author

Children's resource taking varies with experimentally manipulated relative status.

Scientific reports·2026
Same author

Context matters: Intergroup contact and positive reciprocity among Arab and Jewish children.

Journal of experimental psychology. General·2025
Same author

Working across religions, cultures, settings, and development: Protocol for wave 2 data collection with children and parents by the developing belief network.

PloS one·2025

Related Experiment Video

Updated: Feb 2, 2026

A System for Tracking the Dynamics of Social Preference Behavior in Small Rodents
08:38

A System for Tracking the Dynamics of Social Preference Behavior in Small Rodents

Published on: November 21, 2019

8.2K

Cultural differences in the development of a preference for scarce objects.

Gil Diesendruck1, Wen-Chi Chiang2, Matar Ferera1

  • 1Department of Psychology, Bar-Ilan University.

Developmental Psychology
|November 16, 2018
PubMed
Summary

Children develop a preference for scarce items by age 7, but this emerges only in cultures valuing self-individuality, not in all cultures. This highlights cognitive and motivational influences on scarcity valuation.

More Related Videos

Author Spotlight: An Integrated Workflow to Study the Promoter-Centric Spatio-Temporal Genome Architecture in Scarce Cell Populations
11:36

Author Spotlight: An Integrated Workflow to Study the Promoter-Centric Spatio-Temporal Genome Architecture in Scarce Cell Populations

Published on: April 21, 2023

3.0K
The Slice Culture Method for Following Development of Tooth Germs In Explant Culture
07:47

The Slice Culture Method for Following Development of Tooth Germs In Explant Culture

Published on: November 13, 2013

14.6K

Related Experiment Videos

Last Updated: Feb 2, 2026

A System for Tracking the Dynamics of Social Preference Behavior in Small Rodents
08:38

A System for Tracking the Dynamics of Social Preference Behavior in Small Rodents

Published on: November 21, 2019

8.2K
Author Spotlight: An Integrated Workflow to Study the Promoter-Centric Spatio-Temporal Genome Architecture in Scarce Cell Populations
11:36

Author Spotlight: An Integrated Workflow to Study the Promoter-Centric Spatio-Temporal Genome Architecture in Scarce Cell Populations

Published on: April 21, 2023

3.0K
The Slice Culture Method for Following Development of Tooth Germs In Explant Culture
07:47

The Slice Culture Method for Following Development of Tooth Germs In Explant Culture

Published on: November 13, 2013

14.6K

Area of Science:

  • Developmental Psychology
  • Cross-Cultural Psychology
  • Cognitive Science

Background:

  • Adults often value scarce objects due to market forces, social factors, or basic cognitive processes.
  • Investigating the origins of scarcity preference is crucial for understanding human valuation.

Purpose of the Study:

  • To examine the developmental trajectory of scarcity preference in children.
  • To explore the cross-cultural prevalence of this preference.

Main Methods:

  • A cross-cultural study involving 366 children aged 4–11 from Israel and Taiwan.
  • Children were presented with choices between scarce and abundant rewards.

Main Results:

  • A preference for scarce rewards emerged in Israeli children by age 7.
  • This scarcity preference was not observed in Taiwanese children within the study age range.

Conclusions:

  • Scarcity preference develops by age 7 but is influenced by cultural emphasis on self-individuality.
  • Cultural factors significantly shape the development of self-motivations and valuation of scarce resources.