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

How Data are Classified: Categorical Data01:11

How Data are Classified: Categorical Data

31.6K
A variable, usually notated by capital letters such as X and Y, is a characteristic or measurement that can be determined for each member of a population. Data are the actual values of variables. They may be numbers, or they may be words. Datum is a single value.
Data are classified based on whether they are measurable or not. Categorical data cannot be measured; instead, it can be divided into categories. For example, if Y denotes a person's party affiliation, some examples of Y include...
31.6K
Group Design02:01

Group Design

8.9K
The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between...
8.9K
Multiple Comparison Tests01:13

Multiple Comparison Tests

3.8K
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...
3.8K
Stereotype Content Model02:16

Stereotype Content Model

13.9K
The Stereotype Content Model (SCM) was first proposed by Susan Fiske and her colleagues (Fiske, Cuddy, Glick & Xu, 2002; see also Fiske, 2012 and Fiske, 2017). The SCM specifies that when someone encounters a new group, they will stereotype them based on two metrics: warmth—or that group’s perceived intent, and how likely they are to provide help or inflict harm—and competence—or their ability to carry out that objective. Depending on the warmth-competence...
13.9K
Factorial Design02:01

Factorial Design

13.0K
Factorial Analysis is an experimental design that applies Analysis of Variance (ANOVA) statistical procedures to examine a change in a dependent variable due to more than one independent variable, also known as factors. Changes in worker productivity can be reasoned, for example, to be influenced by salary and other conditions, such as skill level. One way to test this hypothesis is by categorizing salary into three levels (low, moderate, and high) and skills sets into two levels (entry level...
13.0K
The Representativeness Heuristic02:13

The Representativeness Heuristic

15.8K
The representative heuristic describes a biased way of thinking, in which you unintentionally stereotype someone or something. For example, you may assume that your professors spend their free time reading books and engaging in intellectual conversation, because the idea of them spending their time playing volleyball or visiting an amusement park does not fit in with your stereotypes of professors.
15.8K

You might also read

Related Articles

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

Sort by
Same author

Cardio-oncology awareness: a multidisciplinary survey among trainees and practicing professionals at multidisciplinary settings.

Future cardiology·2026
Same author

Modulation of posterior insula selectively enhances nociceptive sensory gating in healthy humans.

Neurobiology of pain (Cambridge, Mass.)·2026
Same author

Indian society of electrocardiology position statement on improving CPR awareness in the Indian public.

Indian heart journal·2026
Same author

Measurement of metacognition of emotional dimensions: a ROC based measurement method for metacognition of valence and arousal.

Frontiers in psychology·2026
Same author

Use of situational judgment test for evaluating nonacademic attributes in ophthalmology fellowship selection.

Indian journal of ophthalmology·2026
Same author

Acoustic Coupling for Double-Blind Human Low-Intensity Focused Ultrasound Neuromodulation.

Ultrasound in medicine & biology·2026

Related Experiment Video

Updated: May 26, 2025

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

17.3K

Combination and Differentiation Theories of Categorization: A Comparison Using Participants' Categorization

Sujith Thomas1,2, Aditya Kapoor1, Narayanan Srinivasan3

  • 1Department of Computer Science & Information Systems, BITS Pilani, K. K. Birla Goa Campus, Goa, India.

Open Mind : Discoveries in Cognitive Science
|February 25, 2025
PubMed
Summary

Combination theory, which suggests processing individual features before combining them, was supported in categorization tasks. This multidimensional processing proved more effortful and time-consuming than simpler methods.

Keywords:
classification learningcombination theorymultidimensional categorizationsupervised category learningunidimensional categorization

More Related Videos

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments
08:12

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

Published on: March 1, 2022

2.4K
Experience is Instrumental in Tuning a Link Between Language and Cognition: Evidence from 6- to 7- Month-Old Infants' Object Categorization
05:35

Experience is Instrumental in Tuning a Link Between Language and Cognition: Evidence from 6- to 7- Month-Old Infants' Object Categorization

Published on: April 19, 2017

6.6K

Related Experiment Videos

Last Updated: May 26, 2025

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

17.3K
A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments
08:12

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

Published on: March 1, 2022

2.4K
Experience is Instrumental in Tuning a Link Between Language and Cognition: Evidence from 6- to 7- Month-Old Infants' Object Categorization
05:35

Experience is Instrumental in Tuning a Link Between Language and Cognition: Evidence from 6- to 7- Month-Old Infants' Object Categorization

Published on: April 19, 2017

6.6K

Area of Science:

  • Cognitive Psychology
  • Human Perception
  • Information Processing

Background:

  • Differentiation theory and Combination theory offer contrasting models for information processing during categorization.
  • Differentiation theory suggests holistic processing precedes feature analysis, favoring overall similarity.
  • Combination theory proposes feature-by-feature processing and subsequent integration, favoring multidimensional analysis.

Purpose of the Study:

  • To investigate the order of information processing in categorization tasks.
  • To empirically test predictions derived from Differentiation and Combination theories.
  • To determine whether multidimensional categorization is more effortful than unidimensional categorization.

Main Methods:

  • Participants learned artificial categories using classification and observation learning.
  • Categorization descriptions were analyzed to identify the number of stimulus dimensions utilized.
  • Experiment 4 specifically examined the role of eye movements (fixations and saccades) in task duration.

Main Results:

  • Results from initial experiments indicated that using more dimensions correlated with longer categorization times for transfer stimuli, aligning with Combination theory.
  • Experiment 4's findings suggest increased effort in multidimensional tasks is linked to recalling feature-category associations, not solely eye movements.
  • The study utilized visual stimuli with spatially distinct features.

Conclusions:

  • The findings support Combination theory, indicating that multidimensional categorization is more effortful due to the cognitive load of integrating feature information.
  • The effort associated with multidimensional tasks stems from recalling learned feature-category associations.
  • Future research should explore the applicability of Combination theory to stimuli with spatially overlapping features.