Scientific Method Advanced Quiz 3
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Advanced Quiz 3
1. What is the difference between correlation and causation?
Correlation is a relationship between variables; causation means one variable causes a change in another
They are the same
Causation is always proven by correlation
2. What is an example of an ethical consideration in scientific research?
Obtaining informed consent from participants
Ignoring data that does not fit the hypothesis
Publishing only positive results
3. What is meant by “statistical significance”?
The likelihood that a result is not due to random chance
A result that is always important
A result that is always correct
4. Which of the following is a reason for using a double-blind study?
To prevent bias from both participants and experimenters
To increase the placebo effect
To reduce the sample size
5. What is the Hawthorne effect?
When subjects alter their behavior because they know they are being observed
When experimenters bias the results
When a hypothesis is not falsifiable
6. Why is replication by independent researchers important?
It confirms the reliability and universality of findings
It makes experiments subjective
It reduces sample size
7. What is a confounding variable?
A factor other than the independent variable that may affect the dependent variable
The main variable being tested
A random error
8. What is the “placebo effect”?
A beneficial effect produced by a placebo treatment
A negative result from an experiment
A type of confounding variable
9. What is an operational definition?
A precise explanation of how a variable is measured
A summary of results
A hypothesis
10. What is a systematic review?
A summary of all available evidence on a specific question using a standardized method
A single experiment
A type of bias
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