相关实验视频
Updated: Jul 5, 2025

04:43
Visualizing Visual Adaptation
Published on: April 24, 2017
9.0K
关于COVID-19风险的看法:人们如何适应新风险?
Karen Sepucha1, Aaron Rudkin2, Ryan Baxter-King2
1Health Decision Sciences Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
概括
2020年COVID-19风险感知保持稳定,但在2021年显著下降,特别是在接种疫苗后. 较高的感知风险与增加的预防性行为 (如掩饰) 相相关.
科学领域:
- 公共卫生 公共卫生
- 流行病学 流行病学
- 行为科学 行为科学
背景情况:
- 了解公众风险感知的变化对于在流行病期间有效传递公共卫生信息至关重要.
- 关于随着时间的推移,美国人口对COVID-19的风险感知如何演变的数据有限.
研究的目的:
- 在18个月的时间内,检查美国成年人对COVID-19风险感知的变化.
- 确定与这些风险感知相关的因素以及它们在整个大流行期间的转变.
主要方法:
- 在2020年5月至2021年10月期间,进行了7项在线横截面调查.
- 一个人口加权样本138,303美国成年人参与,评估30天的风险感知感染COVID-19.
- 统计分析检查了风险感知与社会人口统计,健康,COVID-19经验,政治和心理因素之间的关联.
主要成果:
- 2020年,COVID-19风险感知保持稳定,2021年显著下降,特别是在接种疫苗后.
- 2020年与更高风险感知相关的因素包括年龄较大,健康状况较差,高COVID担忧,人身就业,收入较高,民主党派别,低不确定性容忍度和高焦虑.
- 2021年,年轻的成年人 (18-29岁) 报告风险感知高于老年人 (65岁以上);最初的政党差异减弱. 较高的感知风险与预防性行为相关.
结论:
- 在18个月的研究期间,COVID-19风险感知普遍下降.
- 了解这些纵向模式和相关因素对于定制公共卫生传播策略至关重要.
- 感知到的COVID-19风险与参与保护性行动有关,强调了准确风险沟通的重要性.
相关概念视频
Natural Selection and Adaptation
207
Natural selection, a fundamental concept in evolutionary biology, is the mechanism by which evolution is driven, favoring organisms that are best adapted to their environments. This process enhances their chances of survival and reproduction. Adaptation, a key outcome of this process, involves genetic modifications that optimize an organism's functionality under specific environmental challenges, such as extreme cold or thinner air at high altitudes.
Beyond physical adaptations,...
Beyond physical adaptations,...
207
Conformity
45.2K
Conformity is the change in a person’s behavior to go along with the group, even if that person does not agree with the group.
45.2K
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches
129
Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
129
Factors Affecting the Risk of Infection
11.8K
The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
11.8K
Preparedness and Phobias
103
Human fear responses to certain stimuli, such as darkness, heights, deep water, and blood, can often arise despite the absence of direct negative experiences. This phenomenon is rooted in evolutionary psychology, which posits that humans have developed a predisposition to fear stimuli that historically posed significant survival threats. This predisposition, known as preparedness, suggests that early humans who developed a fear of potentially dangerous entities, such as venomous snakes and...
103
Psychological Responses to Stress
54
Psychological responses to stress encompass the various cognitive and emotional reactions individuals experience when faced with challenging or threatening situations, such as a job loss. Prolonged exposure to stressors can disturb emotional balance, increasing negative emotions (e.g., anxiety and sadness) and diminishing positive emotions (e.g., joy and satisfaction). These persistent emotional shifts are associated with an increased risk of both physical illness and mental health issues, such...
54

