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The purpose of the study is to determine if hypnotizability can be reliably tested over the phone, without having to see or touch a patient. The scores from a new test for hypnotizability by phone will be compared to the scores from a standard in-person test, to make sure the results are similar.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| HIP First | Active Comparator | Participants randomized to perform the in-person hypnotizability test first. This will be followed within 1 week with the by-phone rHIP test performed by a second, randomly-assigned investigator. |
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| rHIP First | Active Comparator | Participants randomized to perform the by-phone hypnotizability test first. This will be followed within 1 week with the in-peron HIP test performed by a second, randomly-assigned investigator. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Hypnotizability testing | Other | Hypnotizability testing in-person vs. by phone. All participants will complete both conditions. |
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| Measure | Description | Time Frame |
|---|---|---|
| Reliability of HIP and rHIP test scores | Calculate the correlation between the HIP and rHIP | Through study completion, approximately 2 months. |
| Measure | Description | Time Frame |
|---|---|---|
| Hypnotizability and DES | Investigate any correlation between hypnotizability scores and the Dissociative Experiences Scale | Administered upon enrollment, prior to first hypnotizability test |
| Hypnotizability and Tellegen |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Stanford University/Stanford Healthcare | Palo Alto | California | 94305 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 33513064 | Derived | Kittle J, Zhao E, Stimpson K, Weng Y, Spiegel D. Testing Hypnotizability by Phone: Development and Validation of the Remote Hypnotic Induction Profile (rHIP). Int J Clin Exp Hypn. 2021 Jan-Mar;69(1):94-111. doi: 10.1080/00207144.2021.1827937. |
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Please email PI for data if interested.
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Participants are randomized to first undergo phone-administered testing vs. in-person testing.
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Participants not told their hypnotizability score from the first exam prior to completing the second exam.
Study personnel performing the second hypnotizability test are masked to the first hypnotizability score. Two separate investigators will test each participant.
Investigate any correlation between hypnotizability scores and the Tellegen Absorption Scale
| Administered upon enrollment, prior to first hypnotizability test |
| Complications with phone-administered test | Researchers will recored the % of participants who reported technical or practical difficulties with the phone-administered test including difficulty hearing, understanding the instructions, getting interrupted during the test, or others. | Through study completion, approximately 2 months. |