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

The Scientific Method02:40

The Scientific Method

59.3K
Research is what makes the difference between facts and opinions. Facts are observable realities, and opinions are personal judgments, conclusions, or attitudes that may or may not be accurate. In the scientific community, facts can be established only using evidence collected through empirical research.
59.3K
Strategies for Assessing and Addressing Confounding01:25

Strategies for Assessing and Addressing Confounding

83
Confounding is a critical issue in epidemiological studies, often leading to misleading conclusions about associations between exposures and outcomes. It occurs when the relationship between the exposure and the outcome is mixed with the effects of other factors that influence the outcome. Given that, addressing confounding is of high importance for drawing accurate inferences in research.
Confounding can be addressed at both the design phase of a study and through analytical methods after data...
83
Elements Crucial for Effective Psychotherapy01:25

Elements Crucial for Effective Psychotherapy

34
Research has highlighted several critical factors that influence the effectiveness of psychotherapy, such as the therapeutic alliance, the therapist, and the client.
The Therapeutic Alliance
The therapeutic alliance refers to the relationship between the therapist and the client. The alliance strengthens when the therapist and the client engage in a nurturing, supportive, trusting, empathetic, and respectful relationship, improving therapeutic outcomes. Therapists must monitor this relationship...
34
Statistical Significance01:50

Statistical Significance

20.1K
Once data is collected from both the experimental and the control groups, a statistical analysis is conducted to find out if there are meaningful differences between the two groups. A statistical analysis determines how likely any difference found is due to chance (and thus not meaningful). In psychology, group differences are considered meaningful, or significant, if the odds that these differences occurred by chance alone are 5 percent or less. Stated another way, if we repeated this...
20.1K
The Anchoring-and-Adjustment Heuristic01:25

The Anchoring-and-Adjustment Heuristic

7.2K
In order to make good decisions, we use our knowledge and our reasoning. Often, this knowledge and reasoning is sound and solid. However, sometimes, we are swayed by biases or by others manipulating a situation. For example, let’s say you and three friends wanted to rent a house and had a combined target budget of $1,600. The realtor shows you only very run-down houses for $1,600 and then shows you a very nice house for $2,000. Might you ask each person to pay more in rent to get the...
7.2K
Friedman Two-way Analysis of Variance by Ranks01:21

Friedman Two-way Analysis of Variance by Ranks

150
Friedman's Two-Way Analysis of Variance by Ranks is a nonparametric test designed to identify differences across multiple test attempts when traditional assumptions of normality and equal variances do not apply. Unlike conventional ANOVA, which requires normally distributed data with equal variances, Friedman's test is ideal for ordinal or non-normally distributed data, making it particularly useful for analyzing dependent samples, such as matched subjects over time or repeated measures...
150

You might also read

Related Articles

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

Sort by
Same author

Adjunctive psychological approaches in randomized controlled trials of exercise interventions for pediatric chronic musculoskeletal diseases - A scoping review.

Journal of back and musculoskeletal rehabilitation·2026
Same author

Fear of falling is associated with physical functioning, activity performance, and participation in individuals with multiple sclerosis.

PM & R : the journal of injury, function, and rehabilitation·2026
Same author

Development of an online acceptance and commitment therapy program for pain in spinal cord injury and findings from a randomized pilot trial of coached and unguided delivery formats.

Rehabilitation psychology·2026
Same author

Pain outcomes in persons with multiple sclerosis receiving S1PR modulators: a cross-sectional study.

Pain medicine (Malden, Mass.)·2026
Same author

Utilization of the Community Engagement Studio model to facilitate participatory design of a multicenter randomized controlled trial of the efficacy of scoliosis specific exercise rehabilitation.

medRxiv : the preprint server for health sciences·2026
Same author

Development of self-report measures of physical, mental, and emotional fatigability: the michigan fatigability index (MIFI).

Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation·2025

Related Experiment Video

Updated: Jun 9, 2025

Problem-Solving Before Instruction PS-I: A Protocol for Assessment and Intervention in Students with Different Abilities
10:26

Problem-Solving Before Instruction PS-I: A Protocol for Assessment and Intervention in Students with Different Abilities

Published on: September 11, 2021

3.9K

Dos and don'ts for conducting mediation analysis: A commentary with practical tips to avoid common problems.

Anna L Kratz1

  • 1Department of Physical Medicine and Rehabilitation, University of Michigan.

Rehabilitation Psychology
|October 24, 2024
PubMed
Summary

Mediation analysis in rehabilitation science helps understand causal mechanisms. This commentary offers practical guidance to improve conceptual understanding and methodological rigor in mediation testing for more meaningful research findings.

More Related Videos

Author Spotlight: Evaluating the Adjuvant Efficacy and Safety of Angong Niuhuang Pill in Viral Encephalitis Treatment
08:36

Author Spotlight: Evaluating the Adjuvant Efficacy and Safety of Angong Niuhuang Pill in Viral Encephalitis Treatment

Published on: April 19, 2024

444
Meta-analysis of Voxel-Based Neuroimaging Studies using Seed-based d Mapping with Permutation of Subject Images SDM-PSI
06:26

Meta-analysis of Voxel-Based Neuroimaging Studies using Seed-based d Mapping with Permutation of Subject Images SDM-PSI

Published on: November 27, 2019

70.1K

Related Experiment Videos

Last Updated: Jun 9, 2025

Problem-Solving Before Instruction PS-I: A Protocol for Assessment and Intervention in Students with Different Abilities
10:26

Problem-Solving Before Instruction PS-I: A Protocol for Assessment and Intervention in Students with Different Abilities

Published on: September 11, 2021

3.9K
Author Spotlight: Evaluating the Adjuvant Efficacy and Safety of Angong Niuhuang Pill in Viral Encephalitis Treatment
08:36

Author Spotlight: Evaluating the Adjuvant Efficacy and Safety of Angong Niuhuang Pill in Viral Encephalitis Treatment

Published on: April 19, 2024

444
Meta-analysis of Voxel-Based Neuroimaging Studies using Seed-based d Mapping with Permutation of Subject Images SDM-PSI
06:26

Meta-analysis of Voxel-Based Neuroimaging Studies using Seed-based d Mapping with Permutation of Subject Images SDM-PSI

Published on: November 27, 2019

70.1K

Area of Science:

  • Rehabilitation Science
  • Psychology
  • Statistical Methods

Background:

  • Mediation analyses are crucial for exploring causal pathways in rehabilitation science.
  • Accessible analytical tools have increased mediation test usage.
  • However, conceptual flaws persist, leading to potentially misleading results even with correct statistical application.

Purpose of the Study:

  • To summarize the applications of mediation analysis.
  • To provide practical, plain-language guidance on conducting conceptually robust mediation analyses.
  • To address common errors in mediation testing.

Main Methods:

  • The commentary summarizes uses of mediation analysis.
  • It outlines six main types of errors in mediation analysis.
  • Practical "Dos and Don'ts" are provided for researchers.

Main Results:

  • Persistent issues include misunderstanding mediation, confusing it with moderation and covariates, weak theoretical justification, and neglecting methodological details like measurement.
  • Addressing these conceptual and methodological gaps is vital.

Conclusions:

  • Prioritizing strong theoretical frameworks is essential for mediation analysis.
  • Ensuring study methodology supports mediation testing is critical.
  • A robust statistical approach enhances the validity of mediation tests in rehabilitation research.