Developmental psychologists have attempted to identify the effects of many specific childrearing practices on children's personality traits. The problem with this line of research, which was discussed in the text, is that ________
a. parents who use physical punishment won't be honest with the researchers.
b. psychologists cannot agree on whether to use cross-sectional or longitudinal approaches.
c. it is difficult to recruit parents to serve as participants in this research.
d. parents are inconsistent from day to day and over the years.
Answer: d
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How would gate control theory explain this: Michelle has a bad headache. She starts watching an engaging television show and she no longer notices the pain. The television show ends, and she starts complaining about the pain.
What will be an ideal response?
In cross-sectional studies, problems with cohort effects will be especially strong when
a. children are evaluated longitudinally. b. rarely occurring behaviors are studied. c. the cohorts differ widely in age. d. the cohorts' ages vary in six-month increments.
_______ involve examining the effect of a manipulated variable on a dependent variable.
a) Field experiments b) Laboratory experiments c) Correlational studies d) Case studies
Sixteen-month-old Akel plays endlessly with a ball, rolling it, throwing it, using it to knock over other toys, standing on it, and trying to ride on it. Which of the following Jean Piaget's substages of the sensorimotor stage is represented by Akel's behavior?
A. the coordination of secondary circular reactions substage B. the secondary circular reactions substage C. the tertiary circular reactions substage D. the primary circular reactions substage