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

Implicit Personality Theories

Implicit Personality Theories

Implicit personality theory explains how individuals make assumptions about the relationships between personality traits, behaviors, and character types. When people learn that someone possesses a particular trait, they tend to infer the presence of other related characteristics, forming a cohesive impression. This cognitive shortcut plays a crucial role in social interactions and interpersonal judgments.Central Traits and Their InfluenceSolomon Asch's seminal 1946 study highlighted the power...

Self-Report Tests of Personality

Self-Report Tests of Personality

Self-report inventories are objective personality assessments that use multiple-choice items or numbered scales, typically ranging from 1 (strongly disagree) to 5 (strongly agree). They are often called Likert scales after Rensis Likert. These inventories are widely used due to their ease of administration and cost-effectiveness. One of the most prominent examples is the Minnesota Multiphasic Personality Inventory (MMPI), initially developed in the 1940s to assess abnormal personality traits.

Multiple Allele Traits

Multiple Allele Traits

The Concept of Multiple Allelism

Multiple Allele Traits

Multiple Allele Traits

Cattell's 16 Personality Factors

Cattell's 16 Personality Factors

Raymond Cattell's trait theory offers a structured framework for understanding personality by distinguishing between two critical traits: surface and source traits. Surface traits are observable patterns of behavior, such as indecisiveness, anxiety, and irrational fears. These traits are less stable, varying across situations and over time. This means that they are less helpful in understanding the deeper aspects of an individual's personality.
In contrast, source traits are the...

Polygenic Traits

Polygenic Traits

When more than one gene is responsible for a given phenotype, the trait is considered polygenic. Human height is a polygenic trait. Studies have uncovered hundreds of loci that influence height, and there are believed to be many more. Due to the high number of genes involved, as well as environmental and nutritional factors, height varies significantly within a given population. The distribution of height forms a bell-shaped curve, with relatively few individuals in the population at the...

You might also read

Related Articles

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

Sort by

Same author

A Note On Specifying Parameter Values For Testing Covariance Matrix Hypotheses.

Multivariate behavioral research·2016

Same author

Guilford's Facet Theory Of Intelligence: An Empirical Comparison Of Models.

Multivariate behavioral research·2016

Same author

Self report on quality of life in dementia with modified COOP/WONCA charts.

Aging & mental health·2007

Same author

Effect of Meeting Centres Support Program on feelings of competence of family carers and delay of institutionalization of people with dementia.

Aging & mental health·2004

Same author

Association of prenatal phenobarbital and phenytoin exposure with genital anomalies and menstrual disorders.

Teratology·2001

Same author

DSM-IV internal construct validity: when a taxonomy meets data.

Journal of child psychology and psychiatry, and allied disciplines·2001

Same journal

Bayesian Machine Learning Tools for Alcohol Use Disorder Research: The bpaup R Package.

Multivariate behavioral research·2026

Same journal

A Unified Framework for Jointly modelling Response Times and Item Position Effects in Computer-Based Learning Assessments.

Multivariate behavioral research·2026

Same journal

Generalizability Theory Applied to Daily Relationship Quality: Substantive and Statistical Directions.

Multivariate behavioral research·2026

Same journal

A Modularized Higher-Order Diagnostic Classification Model for Clustered Attribute Hierarchies.

Multivariate behavioral research·2026

Same journal

Generalizing Causal Effects to a Target Population Without Individual-Level Data from the Target Population.

Multivariate behavioral research·2026

Same journal

betaselectr: Selective (and Proper) Standardization in Structural Equation Models.

Multivariate behavioral research·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Mar 27, 2026

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

A Unidimensional Latent Trait Model for Continuous Item Responses.

G J Mellenbergh

Multivariate Behavioral Research

|January 15, 2016

Summary

This summary is machine-generated.

This study introduces a general linear latent trait model for continuous item responses, extending Joreskog's congeneric model. It explores item and test information, bias, and reliability for improved test construction and links to dichotomous latent trait theory.

More Related Videos

Applying an eMASS Customization Program as a Research Tool to Evaluate Consumer Benefits

Applying an eMASS Customization Program as a Research Tool to Evaluate Consumer Benefits

Published on: September 27, 2019

Using Cholesky Decomposition to Explore Individual Differences in Longitudinal Relations between Reading Skills

Using Cholesky Decomposition to Explore Individual Differences in Longitudinal Relations between Reading Skills

Published on: September 17, 2019

Related Experiment Videos

Last Updated: Mar 27, 2026

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

Applying an eMASS Customization Program as a Research Tool to Evaluate Consumer Benefits

Applying an eMASS Customization Program as a Research Tool to Evaluate Consumer Benefits

Published on: September 27, 2019

Using Cholesky Decomposition to Explore Individual Differences in Longitudinal Relations between Reading Skills

Using Cholesky Decomposition to Explore Individual Differences in Longitudinal Relations between Reading Skills

Published on: September 17, 2019

Area of Science:

Psychometrics
Statistical Modeling

Background:

Latent trait theory is foundational in educational and psychological measurement.
Existing models often focus on dichotomous or polytomous item responses.
A need exists for robust models accommodating continuous item responses.

Purpose of the Study:

To describe a general linear latent trait model for continuous item responses.
To analyze the unidimensional case, specifically Joreskog's congeneric item response model.
To discuss key psychometric concepts and applications within this framework.

Main Methods:

Development of a general linear latent trait model.
Application to the unidimensional case of congeneric item responses.
Analysis of item and test information functions, specific objectivity, item bias, and reliability.

Main Results:

The proposed model provides a flexible framework for continuous item response data.
Joreskog's model is identified as a special unidimensional case.
The study demonstrates the model's utility in test construction and its relation to dichotomous models.

Conclusions:

The general linear latent trait model offers a valuable tool for analyzing continuous item responses.
It enhances understanding of psychometric properties like reliability and bias.
The model bridges continuous and dichotomous latent trait theories.