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IB Psychology HL Health Psychology (id: 717c7a23c)

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admin 发表于 2024-4-8 08:31:40 | 显示全部楼层 |阅读模式
本题目来源于试卷: IB Psychology HL Health Psychology,类别为 IB心理学

[单选题]
What is the meaning of prevalz 5pcxl myj1(-ence rate in theajmby8 ja- q;:mu 5s9h context of health problems?

A. The ratio of females to males suffering from a specific health problem/disease.
B. The total number of cases of a specific health problem in a given population at a specific time.
C. The total number of new cases for a specific health issue.
D. The total number of cases in the last decade for a specific health issue.


参考答案:  B


本题详细解析:
The prevalence rate concerning health xxo)g/c1xyj / n1 7nza;i;r jsproblems is the total number of cases of a specific health problem in a giveszxj1x7in g;1 anrxcy;)/j o/n population at a specific time. It includes new as well as already existing cases. Prevalence = # of people in sample with characteristictotal # of people in sampletotal # of people in sample# of people in sample with characteristic​ What is Prevalence? (n.d.). National Institute of Mental Health (NIMH). https://www.nimh.nih.gov/health/statistics/what-is-prevalence

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