The ______ is generally associated with higher internal validity, whereas the ______ is generally associated with higher external validity.
. field experiment; laboratory experiment
B. laboratory experiment; field experiment
C. field experiment; field experiment
D. laboratory experiment; laboratory experiment
Ans: B
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Hepatitis B and HIV-AIDS are spread through a. blood. b. air
c. saliva. d. feces.
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Puppets are:
a. best used alone. b. able to be used with felt boards. c. best used with two hands. d. none of the above.
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Compared to florescent bulbs, incandescent bulbs produce:
A. less heat. B. more heat. C. less light. D. more light.
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List five categories of disability defined by IDEA.
What will be an ideal response?
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