Piaget suggested that
a. cognitive development is disorderly and unpredictable.
b. all children progress through different and unique stages of development.
c. development occurs in a nonlinear and largely random fashion.
d. development at one stage is made possible by development in a preceding stage.
d
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A large corporation held leadership training classes for lower-level employees of the company. The classes were voluntary and were run in the evenings after work, on the employees' own time. Ten years later, an organizational psychologist found that the employees who had taken the classes had advanced further in the company than those who had not taken the classes. In this research,
a. the number of years which have passed since the classes were given is confounded with training. b. the motivation of the two groups of employees is confounded with training. c. the employees' initial status is confounded with training. d. there are no apparent confounds.
Osmoreceptors are specialized neurons that detect __________.
A. changes in solute concentration of the interstitial fluid B. osmotic pressure within the blood plasma C. angiotensin concentration in the blood D. the concentration of renin in the blood
Emily's nurse gives her one star for every time that she takes her medicine on time. Ten stars can be exchanged for a toy from the hospital goodie box. This method of contingency management is known as
A. systematic desensitization. B. negative reinforcement. C. participant modeling. D. token economy.
One aspect of family therapy is the idea that a family member's symptoms are a function of the family relationships. If, for example, a teenage son is the scapegoat for the parents, which family-therapy technique would be the most appropriate to use?
A. structural change B. detriangulation C. validation D. reframing