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Mukbang is an online eating broadcast where a host (Asian mukbangs generally feature a young and slim female host) consumes a large amount of food while chatting with audiences. Since some dieters watch mukbang to get satiation and control their appetites, the current study is aimed at testing the effect of mukbang on the desire to eat.
Two randomized and controlled trails are conducted. The first randomized and controlled trail is conducted online using the Amazon Mturk. Participants (n=286) were randomly assigned to watch one of the following 3 videos: ramen mukbang (n=98), donut mukbang (n=97) and a non-food content video (n=91). The other study is a in person study. Participants (n=234) were randomly assigned to watch one of the following 3 videos: hotpot mukbang (n=79), hotpot cooking show (n=76) and a non-food content video (n=79).
The investigators used the self-report survey to test whether the mukbang affects the desire to eat, and participants' satiation and disgust.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| watch mukbang | Experimental | In the online study, participants were assigned to watch a ramen mukbang, by Yuka Kinoshita (https://youtu.be/ArPaid2Iuck, accessed: 2018-10-12). In the in-person study, participants were assigned to watch a hotpot mukbang by Alun (https://youtu.be/QCTOo9UGZD8, accessed: 2018-11-29). |
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| watch another food content video | Experimental | In the online study, participants were assigned to watch a donut mukbang, by Yuka Kinoshita (https://youtu.be/ntMT2y0MgHk, accessed: 2018-10-12). In the in-person study, participants were assigned to watch a hotpot cooking show by the Cat's kitchen (https://youtu.be/EH5Ei-sMP60, accessed: 2018-11-29). |
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| watch a non-food content video | Placebo Comparator | In the online study, participants were assigned to watch a silent documentary introducing the Palace Museum by China Central Television (CCTV) (https://youtu.be/hWnm1BQOTZY, accessed: 2018-10-12). In the in-person study, participants were assigned to watch a video introducing Cornell University is used for the non-food content video (https://youtu.be/GuM8vTq0jd4, accessed: 2018-11-29). |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| watch food video 1 | Other | A 2 minutes video, with food content. The first study used a ramen mukbang here, the second study used a hotpot mukbang. |
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| Measure | Description | Time Frame |
|---|---|---|
| satiation | participants evaluate their satiation level on a scale from -3 to 3. -3 means not satisfied at all, 3 means very satsfied. | immediately after the intervention (after watching the video) |
| disgust | participants evaluate their disgust level on a scale from -3 to 3. -3 means not disgust at all, 3 means very disgust. | immediately after the intervention (after watching the video) |
| pre-video desire to eat food | participants evaluate their desire to eat food on a scale from 0 to 10. 0 means not want to eat food at all, 10 means very want to eat the food. | before watching the video. Evaluating the desire to eat was the first step in the study. After reporting this pre-video desire to eat, participants then watched the video. |
| post-video desire to eat food | participants evaluate their desire to eat food on a scale from 0 to 10. 0 means do not want to eat food at all, 10 means very want to eat the food. | immediately after watching the video. After watching the video, participants immediately re-evaluated their desire to eat, which is this post-video desire to eat. |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Cornell University | Ithaca | New York | 14850 | United States |
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| watch food video 2 | Other | A 2 minutes video, with food content (different content from video 1). The first study used a donut mukbang here, the second study used a hotpot cooking show here. |
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| watch a non-food content video | Other | a 2 minutes video without food content. The first study used a documentary introducing the forbidden city, the second study used a documentary introducing Cornell University. |
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