If a researcher combined the method used in a cross-sectional design with that used in a longitudinal design, the result would be called:
a. an experiment
b. a mixed design
c. a correlational design
d. a sequential-cohort design
d
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Which of the following activities would typically be difficult for a child with cerebral palsy?
A) hearing B) seeing C) speaking D) smelling
Compared to earlier antidepressant drugs, "second-generation" antidepressant drugs:
A. do not work either faster or more effectively B. do not work faster, but do work more effectively C. work faster and more effectively D. work faster, but not more effectively
Sally and her granddaughter play peekaboo regularly. At first, Sally starts the game and her granddaughter is an amused observer. By 12 months, the granddaughter actively participates, trading roles with Sally. Sally is helping her granddaughter ________.
A. learn how to overextend and underextend B. understand the turn-taking pattern of human conversation C. develop a referential style of communication D. understand telegraphic speech
In a strong situation, there are _____ norms for appropriate behavior, whereas in a weak situation there are _____ norms for appropriate behavior.
A) security; growth B) growth; security C) clear; unclear D) unclear; clear