10 Questions
What is the focus of epidemiology?
The study of the reach, spread, impact, cause, and treatment of illness
What is the difference between morbidity and mortality?
Morbidity is the study of illnesses, while mortality is the study of death
What is the difference between prevalence and incidence?
Prevalence is the frequency of existing cases, while incidence is the number of new cases
What is the main purpose of a case-control study?
To compare the experiences of cases with controls
What is the main advantage of a prospective study?
It allows for the examination of causal relationships
What is the main characteristic of a randomized clinical trial (RCT)?
It randomly assigns participants to treatment or control groups
What is the purpose of a meta-analysis?
To systematically evaluate the results of multiple studies
What is the effect size in a meta-analysis?
The difference between the treatment and control groups divided by the control group's standard deviation
What is the advantage of a meta-analysis?
It capitalizes on the combined sample sizes of multiple studies
What is the purpose of masking in a randomized clinical trial?
To blind the participants and experimenters to the treatment condition
Learn about the different research methods used in health psychology, including descriptive, experimental, and quasi-experimental approaches, to separate probable from promising and helpful from harmful health messages and treatments.
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