When participants in her longitudinal study on the effects of child care moved away or dropped out, Dr. Swan was probably concerned about
A) biased sampling.
B) selective attrition.
C) practice effects.
D) cohort effects.
B
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Serena is given the following word problem to solve: "Fran has 4 apples and she loses 2. Cayton has 5 apples and he loses 4. How many apples do Fran and Cayton have?" In the problem-solving model for solving word problems, what strategies might Serena use in Step 1 (building a mental representation of the problem) to solve this word problem?
What will be an ideal response?
In the behavioral model, past events have _____ influence on present behaviors
a. a direct b. no c. an indirect d. a significant
Traffic signs are good examples of
a. well designed interfaces understood universally. b. interfaces that use readily understood symbols. c. interfaces that may be understood differently by different groups. d. user interfaces that are understood equally well by younger and older adults.
Which psychological problem is NOT associated with cocaine use?
A) insomnia B) paranoia C) schizophrenia D) depression