Trait Injustice, Social Exclusion, and Anger

NCT04288908 | Completed

• 1 other identifier: InjusticeUJI
• Study Type: interventional
• Target: 131
• Locations: 1 country
• Sites: 1

Brief Summary

Participants will be randomly allocated to one of two experimental conditions: social exclusion or social inclusion. Participants, but not experimenters will be blind to the assignment. Pre- and post-tests will be administered. Participants will be offered 7 euros in compensation for participating.

Conditions

General Population

Outcome Measures

Primary Outcomes (2)

• Change in Anger State from baseline to end of the experiment

  The STAXI-2 includes a measure of anger state (15 items) with responses ranging from 1="Absolutely not" to 3="A lot"

  The STAXI-2 will be administered twice: at Baseline and at the same day of Baseline assessment just after the experimental task (end of study)

• Trait Injustice

  The Trait Injustice Experiences Questionnaire is a measure of perceived trait injustice beliefs that has 12 items, with responses ranging from 0="never" to 4="always". This measure will be used as moderator of the effects of the experiment on anger

  This measure will be administered at Baseline

Secondary Outcomes (4)

• Frustration Discomfort Scale

  This measure will be administered at Baseline

• Change in State Injustice from baseline to end of the experiment

  This measure will be administered twice: at Baseline and at the same day of Baseline assessment just after the experimental task (end of study)

• Change in State Anxiety from baseline to end of the experiment

  This measure will be administered twice: at Baseline and at the same day of Baseline assessment just after the experimental task (end of study)

• Cyberball Experiences post-experimental check Questionnaire

  This measure will be administered at the same day of Baseline assessment just after the experimental task (end of study)

Study Arms (2)

Social exclusion

EXPERIMENTAL

Cyberball is a ball-passing task in which the participant plays with two virtual players. In this condition, the user receives fewer passes than the other two participants (i.e., 10 out of 60).

Other: Cyberball experimental task

Social inclusion

ACTIVE COMPARATOR

Cyberball is a ball-passing task in which the participant plays with two virtual players. In this condition, the user receives a comparable number of passes than the other two participants (i.e., 20 out of 60).

Other: Cyberball experimental task

Interventions

Cyberball experimental task OTHER

Cyberball is an experimental task in which participants have to pass a ball to two virtual players during 60 passes in total

Social exclusion; Social inclusion

Eligibility Criteria

• Age: 18 Years - 30 Years
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64)

You may qualify if:

• Being over 18 years of age
• Signs the informed consent
• Can read and understand Spanish

You may not qualify if:

• Being younger than 18 years of age
• Does not sign the informed consent
• Cannot read or understand Spanish

Sponsors & Collaborators

• Universitat Jaume I: lead

Study Sites (1)

Faculty of Psycholoy. Jaume I University

Castellon, Spain

Location

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: SINGLE
• Who Masked: PARTICIPANT
• Masking Details: Only participants will be masked to the assigned condition. The researcher has to be aware of the assigned condition to prepare the experimental task accordingly.
• Purpose: BASIC SCIENCE
• Intervention Model: PARALLEL
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Model Details: The two conditions, based on the experimental task called Cyberball, will be: social inclusion and social exclusion.

Study Record Dates

• First Submitted: January 20, 2020
• First Posted: February 28, 2020
• Study Start: January 5, 2020
• Primary Completion: February 8, 2020
• Study Completion: February 15, 2020
• Last Updated: June 19, 2020

Record last verified: 2020-06

Data Sharing

• IPD Sharing: Will not share

Locations

ES (1)