A researcher records participants' weights every Friday for three weeks prior to administering a diet education program and for three weeks following the program. This study is an example of a(n) ____
a. time-series design
b. interrupted time-series design
c. cross-sectional design
d. longitudinal design
a
Psychology
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Information processing focuses on _________ changes in infants
a) quantitative b) effective c) qualitative d) surreal
Psychology
Research with lab animals showed that marijuana decreases the damage caused by which of these?
a. Cerebral palsy b. Heart attack c. Stroke d. Kidney stones
Psychology