7411946
Description
Quiz by Ashley Churchill, updated more than 1 year ago
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Created by Ashley Churchill
almost 8 years ago
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Question 1
Question
What are the characteristics of an observational study?
Answer
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Investigators observe subjects
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Investigators measure variables of interest
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Investigators control variables of interest
Question 2
Question
Descriptive Statistics...
Answer
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Consists of methods for organizing and summarizing information.
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Consists of methods for drawing and measuring the reliability of conclusions about a population based on information obtained from a sample of a population.
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Includes the calculation of various descriptive measures such as averages, measures of variation, and percentiles.
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Appeared after Inferential Statistics, historically.
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Is interrelated with Inferential Statistics
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Appeared before Inferential Statistics, historically.
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Includes the construction of graphs, charts
Question 3
Question
hello
Answer
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l
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l5
Question 4
Question
A confounding variable is related both to
group membership and to the outcome of
interest. Its presence makes it hard to
establish the outcome as being a direct
consequence of group membership.
Answer
- True
- False
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