Selah is aware that playing certain types of computer games can have an impact on mood, and she wonders whether these effects might vary with age. She recruits a group of college-age adults, a group of middle-aged adults, and a group of elderly adults to test her hypothesis. Selah's research is best described as ____
a. longitudinal
b. cross-sectional
c. repeated measures
d. time series
b
Psychology
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The main differences between countries which are classified as developed, versus those classified as developing, are levels of education and income
a. true b. false
Psychology
In any given year, the prevalence rate for bipolar disorder in the United States is _____
Fill in the blank with correct word
Psychology