The two effects that influence the dependent variable are main effects and interaction effects in
__________ design.
Fill in the blanks with correct word
In a __________ research report, a researcher presents hyotheses and evidence in a logically tight and condensed style.
Fill in the blanks with correct word
What differentiates interval from ratio scales of measurement?
a. Interval scales use rank order; ratio scales do not
b. In a ratio scale equal distance on the dimension represent equal distance on the
dimension being measured; this is not true for interval
c. Scores of zero are not possible on interval scales
d. Ratio scales include an absolute zero point indicating the absence of what is being measured
Which of the following is NOT an example of control in an experiment?
a. making sure the room temperature, lighting, and noise are the same for all participants in an experiment on study techniques
b. arranging to be the only person with access to all data files once the data have been collected
c. making sure all the rats in a maze-running experiment have equal access to food in their cages
d. arranging to test all the participants in an alertness study at the same time of day
Specialists in the field of history devote most of their time and efforts to
A) field research.
B) writing the final report.
C) gathering and analyzing historical data.
D) checking their facts.
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