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

Reliability and Validity01:29

Reliability and Validity

13.7K
Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.
13.7K
pH Scale02:41

pH Scale

79.0K
Hydronium and hydroxide ions are present both in pure water and in all aqueous solutions, and their concentrations are inversely proportional as determined by the ion product of water (Kw). The concentrations of these ions in a solution are often critical determinants of the solution’s properties and the chemical behaviors of its other solutes. Two different solutions can differ in their hydronium or hydroxide ion concentrations by a million, billion, or even trillion times. A common means of...
79.0K
Attention-Deficit/Hyperactivity Disorder01:30

Attention-Deficit/Hyperactivity Disorder

800
Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by persistent inattention, hyperactivity, and impulsivity. It affects approximately 5-8% of children globally, with around 60-70% of cases persisting into adulthood. ADHD has significant implications for educational attainment, social interactions, and occupational success.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
800
Data Validation01:03

Data Validation

6.3K
Data validation is an essential part of a comprehensive assessment. Validation is confirming or verifying and opening the door to gathering more assessment data as it clarifies vague or unclear data. The process of checking and verifying the collected information is called data validation. The primary purpose of data validation is to ensure data is as free from error, bias, and misinterpretation as possible.
Nursing assessment guides are generally based on holistic models rather than medical...
6.3K
Data Validation01:15

Data Validation

582
Method validation is a crucial process in analytical chemistry designed to confirm that a given method consistently produces reliable and high-quality results. This process is essential when a method is applied to different sample matrices or when procedural modifications are made, ensuring that the results meet acceptable standards across various applications.
Key parameters for method validation include:
582
Scaling01:26

Scaling

566
In designing and analyzing filters, resonant circuits, or circuit analysis at large, working with standard element values like 1 ohm, 1 henry, or 1 farad can be convenient before scaling these values to more realistic figures. This approach is widely utilized by not employing realistic element values in numerous examples and problems; it simplifies mastering circuit analysis through convenient component values. The complexity of calculations is thereby reduced, with the understanding that...
566

You might also read

Related Articles

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

Sort by
Same author

Comparing Therapeutic Treatment Goals Across Settings for Those in or At-Risk for Substance Use Treatment in West Alabama.

Substance use & addiction journal·2026
Same author

Adverse Childhood Experiences as a Moderator of Attention Deficit/Hyperactivity Disorder and Risky and Distracted Driving.

Psychological reports·2026
Same author

Psychometric Properties of the PROMIS Pediatric Sleep Disturbance and Sleep-Related Impairment Self and Proxy Short Forms in Early Adolescents With and Without ADHD.

Journal of sleep research·2026
Same author

ADHD Symptoms, Internalizing Symptoms, and Friendship Features in Emerging Adults: The Moderating Effect of Cognitive Disengagement Syndrome Symptoms.

Journal of attention disorders·2026
Same author

Naming speed in children with and without cognitive disengagement syndrome and associations with reading comprehension.

Child neuropsychology : a journal on normal and abnormal development in childhood and adolescence·2026
Same author

Multi-informant Examination of Cognitive Disengagement Syndrome in Relation to Sleep and Circadian Preference in Early Adolescents.

Child psychiatry and human development·2026

Related Experiment Video

Updated: Jan 20, 2026

Dual-Task Stroop Paradigm for Detecting Cognitive Deficits in High-Functioning Stroke Patients
07:42

Dual-Task Stroop Paradigm for Detecting Cognitive Deficits in High-Functioning Stroke Patients

Published on: December 16, 2022

3.6K

Barkley Deficits in Executive Functioning Scale (BDEFS): Validation in a Large Multisite College Sample.

Jaclyn M Kamradt1, Molly A Nikolas1, G Leonard Burns2

  • 1University of Iowa, Iowa City, IA, USA.

Assessment
|August 22, 2019
PubMed
Summary

This study validates the Barkley Deficits in Executive Functioning Scale (BDEFS) for college students, confirming its five-factor structure and utility for assessing executive functioning (EF) in this population.

Keywords:
attention-deficit/hyperactivity disorder (ADHD)emerging adultsexecutive functionspsychometricssex differencesuniversity

More Related Videos

Qualitative and Quantitative Validation of Tools with Rating Scales Aimed at Assessing the Quality of University Service-Learning
10:39

Qualitative and Quantitative Validation of Tools with Rating Scales Aimed at Assessing the Quality of University Service-Learning

Published on: August 29, 2025

1.1K
Using Brain Activation nir-HEG/Q-EEG and Execution Measures CPTs in a ADHD Assessment Protocol
13:09

Using Brain Activation nir-HEG/Q-EEG and Execution Measures CPTs in a ADHD Assessment Protocol

Published on: April 1, 2018

10.9K

Related Experiment Videos

Last Updated: Jan 20, 2026

Dual-Task Stroop Paradigm for Detecting Cognitive Deficits in High-Functioning Stroke Patients
07:42

Dual-Task Stroop Paradigm for Detecting Cognitive Deficits in High-Functioning Stroke Patients

Published on: December 16, 2022

3.6K
Qualitative and Quantitative Validation of Tools with Rating Scales Aimed at Assessing the Quality of University Service-Learning
10:39

Qualitative and Quantitative Validation of Tools with Rating Scales Aimed at Assessing the Quality of University Service-Learning

Published on: August 29, 2025

1.1K
Using Brain Activation nir-HEG/Q-EEG and Execution Measures CPTs in a ADHD Assessment Protocol
13:09

Using Brain Activation nir-HEG/Q-EEG and Execution Measures CPTs in a ADHD Assessment Protocol

Published on: April 1, 2018

10.9K

Area of Science:

  • Psychology
  • Educational Psychology

Background:

  • Executive functioning (EF) is crucial for college student success.
  • Existing EF measures lack specific validation for college students.

Purpose of the Study:

  • To examine the factor structure of the Barkley Deficits in Executive Functioning Scale (BDEFS) in a college student sample.
  • To assess the invariance of the BDEFS across sex, age, and attention-deficit/hyperactivity disorder (ADHD) symptoms.

Main Methods:

  • Exploratory structural equation modeling (ESEM) was used.
  • 1,311 college students (ages 18-28) from five U.S. universities participated.
  • Invariance testing was conducted across demographic and clinical variables.

Main Results:

  • The BDEFS demonstrated strong support for its five-factor structure in college students.
  • Invariance was generally supported across sex and age.
  • Differences in loadings, thresholds, and factor means were observed based on ADHD symptoms.
  • A reduced item version showed stronger invariance across sex.

Conclusions:

  • The BDEFS is a valid and useful measure for assessing executive functioning (EF) in college students.
  • The scale's structure and measurement properties are influenced by ADHD symptoms.
  • Further validation supports the use of a modified BDEFS for specific populations.