Preschoolers
A) have little or no ability to sustain attention.
B) become more aware of their own mental life.
C) have little or no ability to inhibit impulses.
D) do not have the skills to engage in planning.
B
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A researcher is going to do a longitudinal study of cognitive development in elementary school-age children. What problems is this researcher going to have that could be avoided if she were to do a cross-sectional study instead?
What will be an ideal response?
To modify their own nightmares, nightmare sufferers can use
a. secondary displacement. b. imagery rehearsal. c. dream condensation. d. dream sublimation.
Compared with children in divorced, single-parent families or in blended families, children reared by grandparents
A) are more likely to have behavior problems in school. B) fare better in adjustment. C) are often spoiled and selfish. D) are more susceptible to physical illness.
A(n) __________ design permits researchers to check if cohort effects are operating
A) experimental B) longitudinal C) cross-sectional D) sequential