Comparing the Effects of Racial Congruence, "Likes," and Food Images in Social Media Ads on Adolescents' Caloric Intake - Study 3
试验速览
- 阶段
- 不适用
- 状态
- 招募中
- 入组人数
- 480
- 试验地点
- 1
- 主要终点
- Visual Attention to Ad Features - Gaze Duration
研究概览
简要总结
This is a randomized trial to to test the degree to which visual attention to unhealthy foods, racially congruent people, and/or "likes" in social media ads explains the relationship between ad exposure and calorie intake.
详细描述
This is a randomized trial to to test the degree to which visual attention to unhealthy foods, racially congruent people, and/or "likes" in social media ads explains the relationship between ad exposure and calorie intake.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Crossover
- 主要目的
- Prevention
- 盲法
- Double (Participant, Investigator)
入排标准
- 年龄范围
- 13 Years 至 17 Years（Child）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •adolescent (13-17 years of age) who identifies as only non-Latino White or only Black/African American; who logs into Instagram once daily; who can read and speak English
排除标准
- •- participants who do not meet all criteria described above
研究组 & 干预措施
Block 4: White-Non Food
Exposure to ads with a White person featuring a non-food product
干预措施: White-Non Food (Behavioral)
Block 1: Black-Food
Exposure to ads with a Black person featuring a food product
干预措施: Black-Food (Behavioral)
Block 2: White-Food
Exposure to ads with a White person featuring a food product
干预措施: White-Food (Behavioral)
Block 3: Black-Non Food
Exposure to ads with a Black person featuring a non-food product
干预措施: Black-Non Food (Behavioral)
Block 5: Food-Many Likes
Exposure to ads with many "likes" featuring a food product
干预措施: Food-Many Likes (Behavioral)
Block 6: Non Food-Many Likes
Exposure to ads with many "likes" featuring a non-food product
干预措施: Non Food-Many Likes (Behavioral)
Block 7: Food-Few Likes
Exposure to ads with few "likes" featuring a food product
干预措施: Food-Few Likes (Behavioral)
Block 8: Non Food-Few Likes
Exposure to ads with few "likes" featuring a non-food product
干预措施: Non Food-Few (Behavioral)
结局指标
主要结局
Visual Attention to Ad Features - Gaze Duration
时间窗: Day 0 (Approximately 60 minutes)
Measured as the gaze duration during the advertisement.
Caloric Intake
时间窗: Day 0 (Approximately 60 minutes)
number of calories consumed during the study protocol
Visual Attention to Ad Features - First Fixation
时间窗: Day 0 (Approximately 60 minutes)
Measured as time to first fixation to the advertisement.
Visual Attention to Ad Features - Number of Fixations
时间窗: Day 0 (Approximately 60 minutes)
Measured as the number of fixations on ad features.
次要结局
未报告次要终点