The most rapid prenatal changes take place in the period of the
A) zygote.
B) blastocyst.
C) embryo.
D) fetus.
C
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Who is using an index?
a. A teacher who counts the midterm for 20% of your grade, the final for 35%, and the term paper for 45% b. A demographer who tracks the educational levels of immigrants c. A neuropsychologist who administers a battery of diagnostic tests to individuals who have traumatic brain injuries d. A university administrator who tracks graduation rates, employment rates, and income levels in recent college graduates
Which statement best explains why males can grow breasts under certain hormonal conditions?
A. Sex-linked genes become activated. B. The Y chromosome becomes activated. C. Sex-limited genes become activated. D. Breast growth is linked to color vision deficiency.
Deindividuation is a feeling of anonymity that often results in
a. social facilitation b. impulsive, deviant acts c. prosocial behaviors d. psychogenic illness
If ranked scores are ipsative, then
a. within any individual participant, the scores sum to a constant b. they are especially easy to interpret c. there must have been a flaw in the experimental design d. nonparametric statistics must be used to analyze the data