Question

Oliver Sacks wrote an article about a patient of his who was a painter. The patient woke up one morning unable to see colors because of a small stroke that had occurred overnight. Dr Sacks's article is an example of a ___.

	A.	Naturalistic observation.
	B.	Laboratory experiment.
	C.	Case study.
	D.	Statistical analysis.
	E.	Controlled study.

___ are manipulated; ___ are measured.

	A.	Dependent variables; independent variables.
	B.	Surveys; experiments.
	C.	Statistics; correlations.
	D.	Independent variables; dependent variables.
	E.	Independent variables; data points.

The importance of making sure the samples of subjects and controls are randomly chosen is that ___.

	A.	It will be too difficult to collect data without it.
	B.	It's impossible to get funding if you don't.
	C.	You need to avoid bias in the selection process.
	D.	You can't make predictions unless you do.
	E.	It's necessary to assure the safety of the subjects.

Bias can take many forms. Which of the following is not a potential source of bias in setting up studies on the relevant subjects?

	A.	Identical twins raised apart are typically raised in similar households.
	B.	Brothers of hyperactive children have the same parents.
	C.	People living in the same neighborhood use the same school and grocery store.
	D.	People who are depressed have heights that are the same as the general population.
	E.	Professor Smith wants to study inner city children but he has never met one before now.

Studies of the brain have shown that during the process of imagining the performance of an action ___.

	A.	Many of the same brain structures are activated as during the actual performance.
	B.	People's muscles get sore from the exercise involved.
	C.	People remember the words spoken during the original experience.
	D.	Blood flow to certain regions of the face increases significantly.
	E.	People often experience significant emotional trauma.

Answer 1

1. Oliver Sacks wrote an article.......

Answer: c. Case study

2. ..... are manipulated....

Answer: D. Independent variables, dependent variables

3. The importance of making sure......

Answer: E. It's necessary to assure the safety of the subject.

4. Bias can take many forms.......

Answer: c. People living in the same neighborhood use the same school and grocery stores.

5. Studies of the brain have shown that ........

Answer: A. Many of the same brain structures are activated as during the actual performance.