What is the most important step in the research process?
a) testing the hypothesis
b) data collection
c) formulating the hypothesis
d) asking the question
In psychological experiments, the generally accepted rule is that the difference between groups is statistically significant if it would have happened by chance only of the time at most.
a. 50 percent
b. 25 percent
c. 5 percent
d. 0 percent
There will be no relationship between children's time in day care and later academic
achievement. This is an example of which of the following?
a) a research hypothesis
b) a factorial design
c) a correlational hypothesis
d) a null hypothesis
Which of the following is a general source?
a) Lexis/Nexis Academic
b) Journal of Learning Disabilities
c) PscyhAbstracts
d) Encyclopedia of Psychology
Two classes of students at different schools are closely matched on IQ scores. One class is being taught with the standard method and the other class is being taught with a new technique.
The two classes are then to be compared on scores from a standardized test at the end of the year.
a. since the classes are matched, any difference at year's end is due to the teaching technique
b. even though matched on IQ scores, the classes may not be equivalent on many other variables
c. because there was no pretest, no valid comparisons can be made
d. maturation is a major confounding variable in this study
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