Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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WITHDRAWN
NA
INTERVENTIONAL
2015-12-31
2016-11-30
Brief Summary
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Detailed Description
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Of interest, participants will indicate what concussion symptoms they have recently experienced in one of four formats, to which they will be randomly assigned. Participants will either \*check the symptoms they have experienced, \*check the symptoms they have not experienced, \*uncheck the symptoms they have experienced, or \*uncheck the symptoms they have not experienced. It is believed that an alternative method of reporting symptoms that requires participants to indicate the symptoms they have not experienced will lead them to report having experienced a greater number of symptoms, based on past research regarding inclusion vs. exclusion modes of thought.
Conditions
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Study Design
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RANDOMIZED
FACTORIAL
BASIC_SCIENCE
SINGLE
Study Groups
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Check symptoms one has experienced
This is the baseline condition. When asked to indicate concussion symptoms (or most other kinds of symptoms for medical conditions), people usually place a check mark next to each symptom they have experienced.
Symptom elicitiation
Survey procedure, people check or uncheck symptoms they have or haven't experienced. We randomly assign participants to only one of these symptom elicitation procedures.
Check symptoms one has not experienced
Participants place a check mark next to each symptom they have NOT experienced in the most recent sports season.
Symptom elicitiation
Survey procedure, people check or uncheck symptoms they have or haven't experienced. We randomly assign participants to only one of these symptom elicitation procedures.
Uncheck symptoms one has experienced
To begin, all symptoms will be automatically checked. Participants are told to remove a check mark from each symptom they have experienced in the most recent sports season.
Symptom elicitiation
Survey procedure, people check or uncheck symptoms they have or haven't experienced. We randomly assign participants to only one of these symptom elicitation procedures.
Uncheck symptoms one has not experienced.
To begin, all symptoms will be automatically checked. Participants are told to remove a check mark from each symptom they have NOT experienced in the most recent sports season.
Symptom elicitiation
Survey procedure, people check or uncheck symptoms they have or haven't experienced. We randomly assign participants to only one of these symptom elicitation procedures.
Interventions
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Symptom elicitiation
Survey procedure, people check or uncheck symptoms they have or haven't experienced. We randomly assign participants to only one of these symptom elicitation procedures.
Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
18 Years
ALL
Yes
Sponsors
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Carnegie Mellon University
OTHER
University of Oklahoma
OTHER
University of Pennsylvania
OTHER
Responsible Party
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Other Identifiers
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HS15-334
Identifier Type: -
Identifier Source: org_study_id
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