A psychologist is interested in seeing what type of therapy works best for treat

Question

A psychologist is interested in seeing what type of therapy works best for treating depression. Eighty people who had been diagnosed as being clinically depressed were randomly assigned to one of four conditions: drug therapy, cognitive therapy, group therapy, or placebo control. After one month, scores on the Beck Depression Inventory were obtained for each subject (scores range from 10 to 50). What test statistic would the psychologist use to analyze this data set? A researcher wants to see if school start time and gender has an impact on the amount of sleep high school students get each night. The researcher administers a sleep survey to students in four high schools with different school start times (West H.S. @ 7:15am, East H.S. @ 7:35am, North H.S. @ 7:55am, and Southwest H.S. @ 8:15am). The researcher also wants to examine whether there is a gender difference in the amount of sleep students get. What test statistic would you use to analyze this data set?

Explanation / Answer

8)

The correct option is (b) One-way ANOVA

9)

The correct option is (a) Two-way ANOVA

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