When a researcher defines the variables in a study both conceptually and operationally, selects instruments with good validity, and attempts to make the data collection procedures the same for all subjects, what is the goal?
a. Achieve a high correlation coefficient.
b. Create a high degree of reliability.
c. Describe the setting for a study.
d. Protect against bias.
ANS: D
These activities are all done to eliminate as much bias as possible.
The entire study design and the results of the data collection determine the correlation coefficient. These activities are all done to eliminate as much bias as possible.
Reliability means to achieve the same results in the same manner consistently. These activities are all done to eliminate as much bias as possible.
The setting is the place or places that data is collected. These activities are all done to eliminate as much bias as possible.
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