Spanish Validation Frustration Discomfort Scale

Study Overview
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Brief Summary
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This is an observational study aimed at validating the Frustration Discomfort Scale (Harrington, 2005). A back-translation process was followed to obtain a translated version of the scale, which was refined after a discussion with several clinicians.

Detailed Description
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In the study, the Spanish adaptation of the Frustration Discomfort Scale will be disseminated with an online questionnaire using the Qualtrics platform. Additional questionnaires to explore the validity of the adapted scale will also be administered. Participants who complete the questionnaires and provide a valid ID number will enter a participate in a raffle to win an Amazon coupon of 40 euros. Ten coupons will be offered in total amongst participants.

Official Title
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Spanish Validation of the Frustration Discomfort Scale

Conditions
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General Population, no Specific Condition

Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Being over 18 years of age Signs the informed consent Can read and understand Spanish Has access to a computer, a tablet or a smartphone with an internet connection Exclusion Criteria: Being younger than 18 years of age Does not sign the informed consent Cannot read or understand Spanish Does not have access to a computer, a tablet or a smartphone with an internet connection

Ages Eligible for Study
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Minimum Age: 18 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Frustration Discomfort Scale | This is a measure of frustration intolerance. The original English version has been translated using a back-translation method and discussions about item have been made with clinicians with expertise in the field. 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 | The measure will be administered 1 day once only together with the remaining measures | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Rosenberg self-esteem scale | This scale of self-esteem has 10 items with responses ranging from 1 (completely agree) to 4 (completely disagree). This measure will be used for concurrent criterion validity analyses | The measure will be administered 1 day once only together with the remaining measures | 
| Satisfaction with life scale | This 5-item scale measures an individual's satisfaction with life using response options ranging from 1 (completely disagree) to 5 (completely agree). This measure will be used for concurrent criterion validity analyses | The measure will be administered 1 day once only together with the remaining measures | 
| Acceptance and action questionnaire - II | This 7-item scale measures acceptance of difficult experiences using a 7-point response scale (1= never true; 7=always true). This measure will be used for construct validity analyses | The measure will be administered 1 day once only together with the remaining measures | 
| STAXI - 2 (trait anger scale only) | The trait anger scale of the STAXI-2, which has 10 items, will be used to evaluate trait anger. The responses in the scale range from 1=not at all to 4=very much. This measure will be used for concurrent criterion validity analyses | The measure will be administered 1 day once only together with the remaining measures | 
| Irrational Procrastination Scale | This 9-item scale will be administered to measure perceived procrastination. Items in the scale have a 5-point range (1=does not describe me at all; 5=decribes me completely). This measure will be used for concurrent criterion validity analyses | The measure will be administered 1 day once only together with the remaining measures | 
| Trait Injustice Experiences Questionnare | This measure of perceived trait injustice beliefs has 12 items, with responses ranging from 0=never to 4=always. This measure will be used for construct validity analyses | The measure will be administered 1 day once only together with the remaining measures | 
| European version of the Perceived Stress Scale | This 10-item measure of perceived stress will be used for concurrent criterion validity analyses. Responses in the scale range from 0=never to 4=very frequently | The measure will be administered 1 day once only together with the remaining measures | 
| Patient Health Questionnaire | This 10-item measure of depressive symptoms will be used for concurrent criterion validity analyses. Response scales range from 0=None of the days to 3=Almost all days | The measure will be administered 1 day once only together with the remaining measures | 
| General Anxiety Disorder scale | This 7-item measure of anxiety symptoms will be used for concurrent criterion validity analyses. Response scales range from 0=None of the days to 3=Almost all days | The measure will be administered 1 day once only together with the remaining measures | 
| General Attitudes and Beliefs Scale - reduced | A shortened, 12-item version of the General Attitudes and Beliefs Scale will be administered. This measure will be used for concurrent criterion validity analyses. Responses in the scale have a 1-5 range (1=completely disagree; 5=completely agree) | The measure will be administered 1 day once only together with the remaining measures |