When conducting survey research, why would one need to make sure the sample is "stratified"?
a. Because random sampling is problematic
b. To correspond properly to ethnographic research
c. As a symbol of quantitative investigations
d. To fairly represent the population of interest
Answer: d
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Researchers found that Korean children performed better than British children on measures of inhibition and switching. The investigators attributed this to __________.
A. poor parenting in British families B. a greater emphasis in Korean culture on quietness, restraint, and waiting for one's turn C. increased working memory capabilities on the part of Korean children D. delayed brain development in British children
As an infant and toddler, Natasha was fearful about exploration, and was not easily comforted by her mother and father. Natasha demonstrated ______
a. Anxious attachment b. Disorganized attachment c. Reactive attachment d. Secure attachment
The sexually dimorphic nucleus is located in the ____
a. thalamus b. Wolffian ducts c. anterior hypothalamus d. male brain, only
The most accurate conclusion that can be drawn from research on the brain is that
a. normal people can be taught to use one hemisphere at a time. b. most people use the right hemisphere more often than the left hemisphere. c. only creative people can use both hemispheres simultaneously. d. the activities of both hemispheres of the brain combine to produce most behaviors.