Ch 9 review questions
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1
In 2017, it was estimated that 7.1% of US adults experienced depression. This is an example of
- incidence
- prevalence
- case control study
- correlational study
2
A common concern of survey research is
- low power
- inefficient data collection
- low response rates
- high drop out rates
3
If the risk ratio is 1.00, which describes risk of developing a condition
- has increased by 100%
- there is no greater risk
- has decreased by 100%
- you have a 50/50 chance of developing the condition
4
in a predictive study; which of the following conditions enhances your abilitiy to assume that one event plays a role in causing another event
- when the correlations are >0.80
- when a case control design is utilized
- when the p value is <0.05
- when the predictor occurs before the outcome
5
With a chronic condition such as osteoarthritis, you would expect:
- prevalence to be higher than incidence
- incidence to be higher than prevalence
- little to no difference between incidence and prevalence
6
Level III studies provide stronger evidence than Level IV studies because they:
- analyze the results of multiple studies
- provide longitudinal data
- are prospective in nature
- use large samples
7
A study finds that the number of hours of sleep is positively correlated with GPA. This means that
- more sleep is associated with a higher GPA
- less sleep is associated with a higher GPA
- there is no relationship between sleep and GPA
- more sleep causes you to have a higher GPA
8
Which of the following types of research is longitudinal in nature
- prevalence study
- correlational study
- prospective cohort study
- case control study
9
Which statistic is most useful for determing the time it typically takes before a specific event occurs
- frequencies
- multiple linear regression
- odds ratio
- haards ratio
10
Which of the following terms does not apply to descrpitve research
- experimental
- nonexperimental
- observational
- cross-sectional
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