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Psychology Chapter 2
Practice Test
15
Psychology
Undergraduate 1
09/17/2011

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Term

 

 

 

 

A tenantive prediction about the relationship between two variables is:

Definition

 

 

 

a Hypothesis

Term
Reseachers must describe the actions that will be taken to measure or control each variable in their studies. In other words, they must:
Definition
Provide operation definitions of their variables
Term
A researcher found that clients who were randomly assigned to same-sex groups praticipated more in group therapy sessions than clients who were randomly assigned to coed groups. In this experiment, the independant variable was:
Definition
whether or not the group was co-ed
Term
A reseacher wants to see whether a protein enriched diet will enhance the maze-running performance of rats. One group of rats are fed the high-protein diet for the duration of the study; the other group continues to recieve ordinary rat chow. In this experiment the diet fed to the two groups of rats is the ____________ variable
Definition
independent
Term
In a study of the effect of a new teaching technique on students' achievement test scores, an important extraneious variable would be the students':
Definition
IQ Scores
Term
Whenever you have a cold, you rest in bed, take aspirin, and drink plenty of fluids. You can't determine which remedy is most effective because of which of the following problems?
Definition
Confounding of the variables
Term
A psychologist monitors a group of nursery-school children, recording each instance of helping behavior as it occurs. The psychologist is using:
Definition
Naturalistic observation
Term
Among the dadvantages of descriptive/correlation research is (are):
Definition
It allows investigators to isolate cause and effect
Term
which of the following correlation coefficients would indicate the strongest relationship between two variables?
Definition
-.97
Term
when psychologist say that their results are statistically signigicant, they mean that the results:
Definition
Are unlikely to be due to the fluctuations of chance.
Term
Sampling bias exists when:
Definition
the sample is not representative of the population
Term
The problem of experimenter bias can be avoided by:
Definition
Using a research stradegy in which neither subjects nor experimnenter know which participants are in the experimental and control groups
Term
Critics of deception in research have assumed that deceptive studies are harmful to participants. The emperical data on this issue suggest that:
Definition
Most participants in the deceptive studies report that they enjoyed the experience and didn't mind being misled.
Term
PsycINFO is:
Definition
A computerized database containing abstracts of articles, chapters, and books reporting psychological research
Term
Anecdotal evidence:
Definition
a: is often concrete, vivid and memorable. b). tends to influence people. c). is fundamentally flawed and unreliable (ALL Of The ABOVE)
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