What is a place where information can be posted and shared among Internet users called?
a) electronic newsgroup
b) e-mail
c) browser
d) search engine
A group of physicians tests a new analgesic on their patients with chronic pain problems. They obtain patient ratings of pain, administer the new drug for a week, and then obtain pain ratings again.
They find that pain ratings are down 10 points at their second observation. This is an example of which experimental design.
a. one-group posttest-only design
b. one-group pretest-posttest design
c. non-equivalent posttest-only design
d. non-equivalent before-after (pretest-posttest) design
What is the major difference between applied and basic research?
a) basic research takes longer to complete
b) applied research is less important
c) basic research is more traditional
d) basic research has no immediate application
Which is the key criterion for selecting a dependent variable?
a) sensitivity of the variable to changes in the independent variable
b) measurement capabilities in the experiment
c) relationship of the dependent variable to the independent variable
d) preference of the researcher
When the null hypothesis is rejected,
a. you are stating that there is only one population of research participants.
b. you are stating that the independent variable had no effect on the dependent variable.
c. you are stating that nothing (null) was found.
d. you are saying that your finding is statistically significant.
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