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

Hypothesis Test for Test of Independence01:16

Hypothesis Test for Test of Independence

The test of independence is a chi-square-based test used to determine whether two variables or factors are independent or dependent. This hypothesis test is used to examine the independence of the variables. One can construct two qualitative survey questions or experiments based on the variables in a contingency table. The goal is to see if the two variables are unrelated (independent) or related (dependent). The null and alternative hypotheses for this test are:
H0: The two variables (factors)...
Determination of Expected Frequency01:08

Determination of Expected Frequency

Suppose one wants to test independence between the two variables of a contingency table. The values in the table constitute the observed frequencies of the dataset. But how does one determine the expected frequency of the dataset? One of the important assumptions is that the two variables are independent, which means the variables do not influence each other. For independent variables, the statistical probability of any event involving both variables is calculated by multiplying the individual...
Self-Presentation: Self-Monitoring and Self-Handicapping02:05

Self-Presentation: Self-Monitoring and Self-Handicapping

People can go to great lengths to protect their self-image and present themselves in ways that they want others to see them. Sociologist Erving Goffman presented the idea that a person is like an actor on a stage. Calling his theory dramaturgy, Goffman believed that we use “impression management” to present ourselves to others as we hope to be perceived. Each situation is a new scene, and individuals perform different roles depending on who is present (Goffman, 1959). Think about the way you...

You might also read

Related Articles

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

Sort by
Same author

Emergency department longitudinal integrated care (EDLINC) study: Protocol for a pragmatic effectiveness randomized clinical trial.

Contemporary clinical trials·2026
Same author

Cumulative traumatic life events and increased risk for emergency department and inpatient utilization after physical injury hospitalization.

Injury·2026
Same author

Implementation of a Face-To-Face Vs Virtual Peer-Integrated Collaborative Care Intervention for Mental Health Treatment of Physical Trauma Survivors: A Qualitative Study of Lessons from the COVID-19 Pandemic.

Psychiatry·2025
Same author

A Pilot Randomized Clinical Trial of a Collaborative Care Intervention for Spanish-Speaking Injury Survivors.

Psychiatry·2025
Same author

Healing of the Canoe: Preliminary Suicide Prevention Outcomes Among Participating and Non-Participating Youth.

Prevention science : the official journal of the Society for Prevention Research·2025
Same author

Parent injury admission as a potential adverse childhood experience: A 25 US Level I Trauma center investigation.

Injury·2025

Related Experiment Video

Updated: Jul 1, 2026

Modeling Alcohol Consumption in Rodents Using Two-Bottle Choice Home Cage Drinking and Microstructural Analysis
08:45

Modeling Alcohol Consumption in Rodents Using Two-Bottle Choice Home Cage Drinking and Microstructural Analysis

Published on: November 8, 2024

Predicting adolescent alcohol drinking patterns after major injury.

Chris Dunn1, Frederick P Rivara, Dennis Donovan

  • 1Department of Psychiatry, University of Washington School of Medicine, Seattle, WA 98104-2499, USA. cdunn@u.washington.edu

The Journal of Trauma
|September 12, 2008
PubMed
Summary

Adolescent drinking increases in the year after traumatic injury, particularly for those with higher preinjury alcohol use and life stress. This pattern helps identify youth for extended counseling to prevent heavy drinking and reinjury.

More Related Videos

The Motivation for Alcohol Reward: Predictors of Progressive-Ratio Intravenous Alcohol Self-Administration in Humans
05:40

The Motivation for Alcohol Reward: Predictors of Progressive-Ratio Intravenous Alcohol Self-Administration in Humans

Published on: April 28, 2022

A Prediction Error-driven Retrieval Procedure for Destabilizing and Rewriting Maladaptive Reward Memories in Hazardous Drinkers
08:05

A Prediction Error-driven Retrieval Procedure for Destabilizing and Rewriting Maladaptive Reward Memories in Hazardous Drinkers

Published on: January 5, 2018

Related Experiment Videos

Last Updated: Jul 1, 2026

Modeling Alcohol Consumption in Rodents Using Two-Bottle Choice Home Cage Drinking and Microstructural Analysis
08:45

Modeling Alcohol Consumption in Rodents Using Two-Bottle Choice Home Cage Drinking and Microstructural Analysis

Published on: November 8, 2024

The Motivation for Alcohol Reward: Predictors of Progressive-Ratio Intravenous Alcohol Self-Administration in Humans
05:40

The Motivation for Alcohol Reward: Predictors of Progressive-Ratio Intravenous Alcohol Self-Administration in Humans

Published on: April 28, 2022

A Prediction Error-driven Retrieval Procedure for Destabilizing and Rewriting Maladaptive Reward Memories in Hazardous Drinkers
08:05

A Prediction Error-driven Retrieval Procedure for Destabilizing and Rewriting Maladaptive Reward Memories in Hazardous Drinkers

Published on: January 5, 2018

Area of Science:

  • Trauma surgery
  • Adolescent medicine
  • Addiction research

Background:

  • Bedside alcohol counseling for injured adolescents reduces alcohol use and reinjury.
  • Extending counseling post-hospitalization can improve outcomes for injured youth.
  • Understanding adolescent drinking patterns after injury is crucial for effective intervention.

Purpose of the Study:

  • To describe the natural history of adolescent drinking in the year following traumatic injury.
  • To identify predictors of increased alcohol use during the year after injury.

Main Methods:

  • Prospective cohort study of 12-18 year olds admitted to a Level I trauma center.
  • Alcohol consumption assessed at baseline, 2, 5, and 12 months post-injury.
  • Identified predictors of increased alcohol use.

Main Results:

  • Adolescent drinking increased steadily throughout the year post-injury.
  • Higher preinjury alcohol consumption, more preinjury traumatic life experiences, and older age predicted increased drinking.
  • Greater injury severity was associated with less drinking post-injury.

Conclusions:

  • The study documents a specific post-injury drinking pattern in adolescents.
  • Predictors identified can help target adolescents at higher risk for heavy drinking.
  • Findings support the development of extended counseling interventions for injured youth.