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

Multiple Regression01:25

Multiple Regression

4.3K
Multiple regression assesses a linear relationship between one response or dependent variable and two or more independent variables. It has many practical applications.
Farmers can use multiple regression to determine the crop yield based on more than one factor, such as water availability, fertilizer, soil properties, etc. Here, the crop yield is the response or dependent variable as it depends on the other independent variables. The analysis requires the construction of a scatter plot...
4.3K
Pharmacodynamic Models: Additive and Proportional Drug Effect Model01:09

Pharmacodynamic Models: Additive and Proportional Drug Effect Model

61
Drug response models describe how pharmacological agents interact with biological systems to produce measurable effects. Baseline responses are inherent physiological activities without a drug significantly influencing the observed pharmacological outcomes. Depending on the drug response model employed, these baseline responses may combine with the drug's effect in either an additive or proportional manner.Additive Drug Response ModelIn the additive model, the drug effect is independent of the...
61
Multiple Allele Traits01:49

Multiple Allele Traits

38.7K
The Concept of Multiple Allelism
38.7K
Multiple Allele Traits01:49

Multiple Allele Traits

14.9K
14.9K
Mechanistic Models: Compartment Models in Individual and Population Analysis01:23

Mechanistic Models: Compartment Models in Individual and Population Analysis

321
Mechanistic models are utilized in individual analysis using single-source data, but imperfections arise due to data collection errors, preventing perfect prediction of observed data. The mathematical equation involves known values (Xi), observed concentrations (Ci), measurement errors (εi), model parameters (ϕj), and the related function (ƒi) for i number of values. Different least-squares metrics quantify differences between predicted and observed values. The ordinary least...
321
Multicompartment Models: Overview01:14

Multicompartment Models: Overview

699
Multicompartment models are mathematical constructs that depict how drugs are distributed and eliminated within the body. They segment the body into several compartments, symbolizing various physiological or anatomical areas connected through drug transfer processes such as absorption, metabolism, distribution, and elimination.
These models offer a more comprehensive representation of drug behavior in the body than one-compartment models. They accommodate the complexity of drug distribution,...
699

You might also read

Related Articles

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

Sort by
Same author

ICT Use at Work as a Double-Edged Sword: A Moderated Mediation Model of Employee Well-Being - CORRIGENDUM.

The Spanish journal of psychology·2026
Same author

The Indirect Relationship between Prosociality in the Workplace and Employee Well-Being: Testing Multiple Mediators.

The Spanish journal of psychology·2026
Same author

ICT Use at Work as a Double-Edged Sword: A Moderated Mediation Model of Employee Well-Being.

The Spanish journal of psychology·2026
Same author

Linking Early Infant Growth With Milk-Derived Antibodies, Hormones, and Macronutrients During Exclusive Breastfeeding.

Journal of human lactation : official journal of International Lactation Consultant Association·2026
Same author

Early Deficient Lactation Differentially Affects Neonatal Thymic Cortical Development and Humoral Immune Responses in Rats.

International journal of molecular sciences·2026
Same author

Differential effects of postpartum sleep restriction on maternal and offspring immunity in the rat.

Brain, behavior, and immunity·2025

Related Experiment Video

Updated: Mar 26, 2026

Using Cholesky Decomposition to Explore Individual Differences in Longitudinal Relations between Reading Skills
06:52

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

Published on: September 17, 2019

6.9K

Analysis of Multitrait-Multioccasion Data: Additive versus Multiplicative Models.

Ana Hernandez, Vicente Gonzalez-Roma

    Multivariate Behavioral Research
    |January 30, 2016
    PubMed
    Summary

    This study compared additive and multiplicative models for multitrait-multioccasion (MTMO) data. Both model types often fit the same data well, suggesting construct validity conclusions may be similar.

    More Related Videos

    Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach
    04:35

    Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach

    Published on: July 3, 2020

    3.8K
    Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment
    06:48

    Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment

    Published on: June 25, 2019

    9.9K

    Related Experiment Videos

    Last Updated: Mar 26, 2026

    Using Cholesky Decomposition to Explore Individual Differences in Longitudinal Relations between Reading Skills
    06:52

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

    Published on: September 17, 2019

    6.9K
    Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach
    04:35

    Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach

    Published on: July 3, 2020

    3.8K
    Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment
    06:48

    Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment

    Published on: June 25, 2019

    9.9K

    Area of Science:

    • Psychometrics
    • Quantitative Psychology

    Background:

    • Understanding the structure of psychological data requires appropriate statistical models.
    • Multitrait-multitrait occasion (MTMO) designs are crucial for examining stability and change in psychological constructs.

    Purpose of the Study:

    • To determine if empirical multitrait-multitrait occasion (MTMO) data fit multiplicative models better than additive models.
    • To compare the goodness-of-fit and construct validity implications of different additive and multiplicative models.

    Main Methods:

    • Analysis of 21 MTMO data matrices using LISREL 8.
    • Testing four additive models and two versions of the multiplicative Direct Product (DP) model.
    • Evaluation of models based on solution plausibility and goodness-of-fit.

    Main Results:

    • Both additive (Correlated Trait-Correlated Uniqueness) and multiplicative (Composite Direct Product) models frequently provided good fits to MTMO data.
    • Models often demonstrated equivalent goodness-of-fit.
    • General conclusions on construct validity were similar across models, but specific trait/occasion relevance varied.

    Conclusions:

    • Additive and multiplicative models can be equally suitable for analyzing MTMO data.
    • While overall construct validity interpretations may align, the specific influence of traits and occasions can differ based on the model type and data structure.