To determine the dose-related effects of amphetamine on maze running, Dr. Symon randomly assigns his rats into four groups. The first group receives no amphetamine, the second group receives 0.5 mg/kg, the third group receives 1.0 mg/kg, and the fourth group receives 2 mg/kg. What initial statistical test should Dr. Symon use to examine the effects of the drug?
a. one-way repeated measures analysis of variance
b. independent samples t-test
c. two-way analysis of variance
d. one-way analysis of variance
Ans: d. one-way analysis of variance
Psychology
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Describe four themes or issues that often arise in the study of child development
What will be an ideal response?
Psychology
In adolescence, interactions with opposite-sex peers
A) increase from childhood levels. B) decrease from childhood levels. C) remain at the same frequency as they were in childhood. D) are unpredictable, increasing for many adolescents and decreasing for others.
Psychology