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Soren Soren
wrote...
Posts: 4016
9 years ago
A researcher who flips a coin to determine in which treatment group participants will be assigned is using 
A)   a confounding variable.
B)   matching.
C)   a natural, or quasi-, experiment.
D)   random assignment.
Textbook 
Child Development

Child Development


Edition: 9th
Author:
Read 674 times
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Answer verified by a subject expert
iHomeiHome
wrote...
Top Poster
Posts: 3632
9 years ago
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Soren Author
wrote...
9 years ago
It makes sense now. Thanks a thousand times over
wrote...
9 years ago
My pleasure Slight Smile
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