What is the alternate hypothesis for ANOVA?
a. All of the means are equal
b. Variances differ
c. Not the null hypothesis
d. The first and second means differ, but not the third mean
Ans: c. Not the null hypothesis
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About ______ people die in each day in the United States from car accidents. ______ of these deaths could be prevented.
A. 50; Few B. 50; Many C. 90; Few D. 90; Many
Regarding the action of hormones, which of the following statements is FALSE?
a. Unlike neurotransmitters, hormones do not require receptor sites. b. Hormones secreted during times of high emotion intensify memory formation. c. Androgens ("male" hormones) are related to the sex drive in both males and females. d. Pregnancy and motherhood cause the release of hormones that lead to the dramatic changes involved in maternal behavior.
The concept of reaction range proposes ____ establish(es) boundaries, whereas ____ determines where a person falls within that range
a. genetics; environment b. environment; genetics c. phenotype; genotype d. polygenetic inheritance; homogenetic inheritance
A study that aims to examine cross-cultural differences in math ability would most likely use which method?
A. Correlational B. Experimental C. Naturalistic observation D. Quasi-experimental