Rashida has picked up a ball of play dough. She knows she wants to shape it into a cat, so she begins by making the head with pointed ears. Rashida is most likely about ______ years old.
a. two
b. three
c. four
d. five
d. five
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Piaget's cognitive level of play called "games with rules" does not appear until children are in the state of
A. formal operations. B. preoperational stage. C. concrete operations. D. symbolic operations.
Problems that some people attribute to behavioral objectives, as cited in the text, include all the following except:
a) employing dogmatic approach b) reduction of communication c) resorting to formulas d) deemphasizing affective objectives
Intergenerational tension occurs when
A. the age difference between older and younger generations narrows B. younger generations accept the beliefs and assumptions of older generations. C. older generations contend that the schools are getting better and better. D. older generations question the value and actions of younger generations.
A researcher records differences in ratings of emotion among participants watching either a drama or a romance film. Assuming that the population variance is unknown, what type of t test is appropriate for this study?
A. one-sample t test B. two-independent-sample t test C. There is not enough information to answer this question.