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This randomized controlled trial will assess the effects of External Cues focused messaging (i.e., government recommendations of MyPlate) compared to Internal Cues focused messaging (i.e., intuitive eating). The investigators will collect data on within-person changes in psychological (e.g. affect) and physiological (e.g. heart rate variability) outcomes in female college students.
Participants will be randomly assigned to one of two study conditions. In condition one, participants will view a five-minute video focusing on traditional nutrition education principles. In condition two, participants will view a five-minute video focusing on intuitive eating principles.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Internal Cues Messaging | Experimental | Participants will view a five-minute video focusing on intuitive eating principles. |
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| External Cues Messaging | Active Comparator | Participants will view a five-minute video focusing on traditional nutrition education principles. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Internal Cues Nutrition Messaging | Other | Participants will view a 5 minute nutrition education video focused on intuitive eating principles. |
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| Measure | Description | Time Frame |
|---|---|---|
| Change in Heart Rate Variability (HRV) | Heart rate variability measures the variation in time between each heartbeat. This will be measured using Firstbeat Electrocardiograms (ECGs) that participants will attach to their chest using two electrodes. | HRV will be measured during a 3-minute baseline period and while watching a 5-minute intervention video. |
| Change in Affect | Affect will be assessed using the Positive and Negative Affect Schedule (PANAS), an instrument that asks participants to rank the extent to which they are feeling each of 20 different emotions on a scale of 1-5. The PANAS produces a score from 10-50 for each Positive Affect and Negative Affect, with higher scores indicating higher levels of these states. | The PANAS is administered before and immediately after viewing the video. |
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Inclusion Criteria:
Exclusion Criteria:
Individuals who identify as female are eligible to participate.
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| Name | Affiliation | Role |
|---|---|---|
| Carly R Pacanowski, PhD RD | University of Delaware | Principal Investigator |
| Christine Skubisz, PhD | University of Delaware | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Delaware | Newark | Delaware | 19711 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 40781768 | Derived | Pacanowski CR, Vizthum D, Cash H, Katcher JA, Skubisz C. A weight-centric health message elicits higher body shame in those at risk for eating disorders. Appl Psychol Health Well Being. 2025 Aug;17(4):e70061. doi: 10.1111/aphw.70061. |
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Dataset
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Participants attend a single study visit and are randomized to view one of two nutrition education videos.
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The participants are not aware of the condition they are assigned to.
| External Cues Nutrition Messaging | Other | Participants will view a 5 minute nutrition education video focused on traditional nutrition education principles such as label reading. |
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