A two-factor study with two levels of factor A and three levels of factor B uses a separate group of n = 5 participants in each treatment condition. How many participants are needed for the entire study?
A) ?5
B) ?10
C) ?25
D) ?30
D
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Recent theoretical discussion on Piaget's stages has focused on the issue of whether
a. Piaget identified too few distinct stages. b. there are individual differences among children. c. cognition develops continuously instead of in stages. d. Piaget thought children are generally smarter than they are.
According to the text, in 1997 __________ of all homicides were committed with a firearm.
a. one-quarter b. one-third c. one-half d. two-thirds e. three-quarters
According to Erikson's theory of the human life cycle, the predominant developmental issue in young adulthood is
a. autonomy vs. shame and doubt b. initiative vs. guilt c. basic trust vs. mistrust d. intimacy vs. isolation e. identity vs. role confusion
The only people susceptible to memory errors are elderly people with varying diagnoses of dementia.
Answer the following statement true (T) or false (F)