Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Causes of Similarity-Dissimilarity Effect

Causes of Similarity-Dissimilarity Effect

The similarity-dissimilarity effect, a fundamental concept in social psychology, explains how interpersonal similarities and differences influence attraction and social interactions. This effect is supported by three key psychological perspectives: balance theory, social comparison theory, and consensual validation.Balance Theory and Cognitive ConsistencyBalance theory, developed by Fritz Heider, posits that individuals seek cognitive consistency in their relationships. When two people share...

One-Way ANOVA: Unequal Sample Sizes

One-Way ANOVA: Unequal Sample Sizes

One-way ANOVA can be performed on three or more samples of unequal sizes. However, calculations get complicated when sample sizes are not always the same. So, while performing ANOVA with unequal samples size, the following equation is used:

One-Way ANOVA: Equal Sample Sizes

One-Way ANOVA: Equal Sample Sizes

One-Way ANOVA can be performed on three or more samples with equal or unequal sample sizes. When one-way ANOVA is performed on two datasets with samples of equal sizes, it can be easily observed that the computed F statistic is highly sensitive to the sample mean.
Different sample means can result in different values for the variance estimate: variance between samples. This is because the variance between samples is calculated as the product of the sample size and the variance between the...

Bioequivalence Data: Statistical Interpretation

Bioequivalence Data: Statistical Interpretation

Body:The statistical interpretation of bioequivalence data is a significant aspect of pharmaceutical research. Bioequivalence refers to the absence of any significant difference in the rate and extent to which the active ingredient in pharmaceutical products becomes available at the site of drug action when administered at the same molar dose under similar conditions. This helps determine if different drug products have similar absorption rates, ensuring their interchangeability.Statistical...

Factors Influencing Attraction III: Similarity

Factors Influencing Attraction III: Similarity

The similarity hypothesis suggests that individuals are more likely to form relationships with others who share similar attitudes, beliefs, values, and interests. This concept has been widely studied in social psychology, demonstrating that perceived similarity fosters interpersonal attraction. In an experiment supporting this hypothesis, participants were presented with fabricated information indicating that strangers held attitudes similar to their own. The results showed that participants...

Testing a Claim about Standard Deviation

Testing a Claim about Standard Deviation

A complete procedure to test a claim about population standard deviation or population variance is explained here.
The hypothesis testing for the claim of population standard deviation (or variance) requires the data and samples to be random and unbiased. The population distribution also must be normal. There is no specific requirement on the sample size as the estimation is based on the chi-square distribution.
As a first step, the hypothesis (null and alternative) concerning the claim about...

You might also read

Related Articles

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

Sort by

Same author

Sarcopenia and Frailty in Chronic Liver Damage: Common and Different Points.

In vivo (Athens, Greece)·2020

Same author

Calf Circumference as a Useful Predictor of Sarcopenia in Patients With Liver Diseases.

In vivo (Athens, Greece)·2020

Same author

Age-related differences in correction behavior for unintended acceleration.

PloS one·2020

Same author

Pedal Misapplication: Interruption Effects and Age-Related Differences.

Human factors·2020

Same author

Close Correlation between Frailty and Depressive State in Chronic Liver Diseases.

Medicina (Kaunas, Lithuania)·2020

Same author

Serum Zinc Level Is Associated with Frailty in Chronic Liver Diseases.

Journal of clinical medicine·2020

Search research articles

Related Experiment Video

Updated: Dec 25, 2025

Modeling the Size Spectrum for Macroinvertebrates and Fishes in Stream Ecosystems

Modeling the Size Spectrum for Macroinvertebrates and Fishes in Stream Ecosystems

Published on: July 30, 2019

The Size-Value Compatibility Effect.

Kunihiro Hasegawa¹

¹National Institute of Advanced Industrial Science and Technology (AIST), Department of Information Technology and Human Factors, Tsukuba, 305-8566, Japan. hasegawa.kunihiro@aist.go.jp.

Scientific Reports

|March 28, 2020

Summary

This summary is machine-generated.

People often associate larger objects with higher value, even when it contradicts reality. This study shows that size judgments are impaired when a lower-value item appears larger, suggesting a cognitive bias where "bigger is better".

More Related Videos

Analysis and Specification of Starch Granule Size Distributions

Analysis and Specification of Starch Granule Size Distributions

Published on: March 4, 2021

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

Published on: March 1, 2022

Related Experiment Videos

Last Updated: Dec 25, 2025

Modeling the Size Spectrum for Macroinvertebrates and Fishes in Stream Ecosystems

Modeling the Size Spectrum for Macroinvertebrates and Fishes in Stream Ecosystems

Published on: July 30, 2019

Analysis and Specification of Starch Granule Size Distributions

Analysis and Specification of Starch Granule Size Distributions

Published on: March 4, 2021

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

Published on: March 1, 2022

Area of Science:

Cognitive psychology
Behavioral economics
Decision-making

Background:

The relationship between physical attributes and perceived value is a key area in cognitive and economic research.
Previous studies suggest size can influence judgments, but the specific cognitive mechanisms and biases are not fully understood.

Purpose of the Study:

To investigate the size-value compatibility effect, specifically how perceived size influences value judgments.
To determine if cognitive biases linking size and value persist even when objective information is available.

Main Methods:

Two preregistered experiments were conducted using Japanese-yen coins of similar actual size but different values (10-yen and 100-yen).
Coin images were digitally manipulated in size and presented side-by-side for participants to judge relative size.
Participants also examined physical coins before the size judgment task.

Main Results:

Size judgments were significantly slower and less accurate when the lower-value coin (10-yen) was depicted as larger than the higher-value coin (100-yen).
This size-value incongruence effect persisted even after participants handled the actual coins, indicating a robust cognitive bias.
Participants exhibited a tendency to associate greater size with greater value, a phenomenon termed 'better is bigger'.

Conclusions:

The findings demonstrate a strong cognitive bias where perceived size influences value judgments, even overriding objective reality.
This suggests that the mental heuristic 'bigger is better' is deeply ingrained and difficult to suppress.
Understanding this size-value association bias has implications for marketing, economics, and understanding everyday decision-making.