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.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
SINGLE
Enrollment
131
Cyberball is an experimental task in which participants have to pass a ball to two virtual players during 60 passes in total
Faculty of Psycholoy. Jaume I University
Castellon, Spain
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"
Time frame: 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
Time frame: This measure will be administered at Baseline
Frustration Discomfort Scale
This is a measure of frustration intolerance. The scale has 28 items that are gouped in 4 subscales. Items have a 1-to-5 response scale ranging from "nothing" to "a lot". In addition to trait injustice, this measure will also be used in secondary analyses as a moderator of the effects of the experiment on anger
Time frame: This measure will be administered at Baseline
Change in State Injustice from baseline to end of the experiment
The State Injustice Experiences Questionnaire is a measure of perceived state injustice beliefs that has 12 items, with responses ranging from 0="never" to 4="always". This measure will be used as an experimental check (whether exclusion in the experiment effectively increased the sense of injustice in the short term)
Time frame: 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
The STAI-S is a measure of perceived state anxiety that has 20 items, with responses ranging from 0="not at all" to 3="a lot". This measure will be used as an experimental check (whether exclusion in the experiment effectively increased anxiety in the short term)
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Time frame: 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
In addition to exploring the effects of the experimental task on anxiety and anger, the Cyberball includes a measure of impact of the task on perceived inclusion and related concepts (isolation, belonging, perceived number of passes received, etc.). This will also be used as an experimental check
Time frame: This measure will be administered at the same day of Baseline assessment just after the experimental task (end of study)