Recruiting

Alcohol Decision-Making

Sponsor:

University of Washington

Code:

NCT07390084

Conditions

Psychological Stress

Social Interaction

Eligibility Criteria

Sex: All

Age: 21 - 50

Healthy Volunteers: Accepted

Interventions

Stress

Social Context

Study Details

Brief summary:

This preregistration documents an experiment examining the effects of acute stress and social context on alcohol-related decision-making. The study uses a 2x2 factorial design (stress vs. control × social vs. alone) with dyadic recruitment.

Conditions

Psychological Stress

Social Interaction

Study ID

NCT07390084

Start date

Feb 1, 2026

Status verified date

Jul, 2026

Completion date

Jun 30, 2027

Anticipated

Primary completion date

Jun 30, 2027

Anticipated

Eligibility Criteria

Eligibility Criteria

Sex: All

Age: 21 - 50

Healthy Volunteers: Accepted

Inclusion Criteria:

  • Drinking alcohol at least once a week
  • Consuming 4 (female) or 5 (male) drinks in one occasion at least once a month

Exclusion Criteria:

  • Currently pregnant or trying to become pregnant
  • Past or current treatment for alcohol use
  • Past or current medical condition that contraindicates alcohol use
  • Past or current reaction to alcohol that contraindicates alcohol use
  • Past or current medication that contraindicates alcohol use

Study Design

Enrollment

160 participants

Anticipated

Allocation

Randomized

Intervention Model

Factorial

Primary purpose

Basic Science

Interventions and Outcome Measures

Arms

experimental: Stress Alone

These participants will undergo a stress induction and will make decisions about consuming alcohol alone.

experimental: Stress Social

These participants will undergo a stress induction and will make decisions about consuming alcohol with a known peer.

experimental: Control Alone

These participants will undergo a control induction and will make decisions about consuming alcohol alone.

experimental: Control Social

These participants will undergo a control induction and will make decisions about consuming alcohol with a known peer.

Interventions

Stress

Participants randomly assigned to the stress condition will undergo the standard protocol of the Trier Social Stress Test. Participants randomly assigned to the control condition will undergo a validated, non-stressful control procedure mirroring the TSST.

Social Context

Participants randomly assigned to the social condition will make decisions about consuming alcohol with a known peer. Participants randomly assigned to the control condition will make decisions about consuming alcohol alone.

Primary outcome measure

  • Proportion of choices for alcoholic over non-alcoholic drinks. [ Time Frame: 5 minutes ]

Central Contacts and Locations

Central contacts

Jonas Dora

2067416330jdora@uw.edu

Locations

University of Washington

Recruiting

Seattle, Washington, United States, 98195

Contacts

Jonas Dora, PhD

206-741-6330jdora@uw.edu

More Information

Sponsor

University of Washington

Last update posted

Jul 24, 2026

Last verified

Jul, 2026

Keywords

  • stress induction
  • value-based decision-making

Trial information was received from ClinicalTrials.gov and was last updated on 2026-09-10. This information was provided to ClinicalTrials.gov by University of Washington on 2026-07-24.