How could the study be improved?
a) use a different treatment to test its effect on maze learning
b) use different groups of rats given different independent variables
c) use a different dependent variable
d) use a double blind placebo treatment method
Question 2
What is the main distinction between the nonequivalent comparison group design and the pretest-posttest control group design?
a. the use of pretesting in the latter
b. the use of statistical data analysis in the latter c. the random assignment of participants to groups in the latter
d. more than one independent variable in the latter
Gaser and Schlaug's study of the size of visual, motor, and auditory nuclei in the brains of mu
A Need for Improved Water-Use Efficiency in Plants
The Greenhouse Effect
A Mono-Diff test in which the presumptive well contains the patient's serum mixed with ...
Treatment of municipal wastewater
These findings are from Colby and Kohlberg's long-term longitudinal study