The Effect of Priming of Questionnaire Content on Grip Strength in Patients With Hand and Upper Extremity Illness
| Status: | Enrolling by invitation |
|---|---|
| Healthy: | No |
| Age Range: | 18 - Any |
| Updated: | 4/21/2016 |
| Start Date: | May 2015 |
| End Date: | May 2016 |
Objectives:
To determine the association between priming and measurements of hand function such as grip
strength
Primary null hypothesis:
There is no difference in grip strength (best of three attempts) as a percent of the
opposite hand between patients that complete the standard Pain Catastrophizing Scale (PCS)
compared to patients that complete the positively adjusted PCS.
Secondary null hypotheses:
There is no difference in grip strength (last of three attempts) as a percent of the
opposite hand between patients that complete the standard PCS compared to patients that
complete the positively adjusted PCS.
There is no difference in grip strength (best of three attempts) before and after completing
the questionnaires between patients that complete the standard PCS compared to patients that
complete the positively adjusted PCS.
To determine the association between priming and measurements of hand function such as grip
strength
Primary null hypothesis:
There is no difference in grip strength (best of three attempts) as a percent of the
opposite hand between patients that complete the standard Pain Catastrophizing Scale (PCS)
compared to patients that complete the positively adjusted PCS.
Secondary null hypotheses:
There is no difference in grip strength (last of three attempts) as a percent of the
opposite hand between patients that complete the standard PCS compared to patients that
complete the positively adjusted PCS.
There is no difference in grip strength (best of three attempts) before and after completing
the questionnaires between patients that complete the standard PCS compared to patients that
complete the positively adjusted PCS.
Priming affects all aspects of human behavior. Prior research by the investigators' group
determined that completing a positively phrased version of the pain catastrophizing scale
(PCS) primed patients to report less disability on average than completing the standard PCS.
The influence of priming can be better understood by determining if it also affects direct
measurements of hand function such as grip strength measures.
determined that completing a positively phrased version of the pain catastrophizing scale
(PCS) primed patients to report less disability on average than completing the standard PCS.
The influence of priming can be better understood by determining if it also affects direct
measurements of hand function such as grip strength measures.
Inclusion Criteria:
- All English-speaking adult patients visiting the Orthopaedic Hand and Upper Extremity
Service
Exclusion Criteria:
- Unable to complete enrollment forms due to mental status or language problem
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