Question

ase sign in as cm*****iu edu so we can verify your subscription Sign In 5. An experiment testing the effects of TV and snack food type on amount of calories consumed. Participants watch one of three movies (action, comedy, or drama) and are presented with one of three different snack foods (popcorn, M&Ms, potato chips) during the movie that they are free to consume as they please. After the movie is over, the amount of calories consumed are measured. a. IV: b. DV C. Design: d. Notation (if needed): An experiment testing the effects of caffeine and alcohol on driving errors. Participants are assigned to consume a drink that contains either caffeine or no caffeine and either alcohol or no alcohol. After consuming the drink and waiting 30 minutes, they complete a task on a driving simulator. a. IV: b. DV: C. Design: d. Notation (if needed): 7. An experiment testing the effects of a depression. Participants complete a Beck Depression Inventory and are then assigned to either low dose, high dose, or placebo condition for the medication. After 6 weeks they again complete the depression inventory. Pre-and post-test scores are compared. a. IV: b. DV: c. Design: d. Notation (if needed): 8. An experiment testing the impact of both medication and therapy type on anxiety. Participants take the Generalized Anxiety Questionn. They are then assigned to either medication or placebo condition and to receive either cognitive-behavioral therapy, exposure therapy, or dialectical behavior therapy. The questionnaire is again administered after 6 months of treatment. a. IV: b. DV: c. Design: o i [Pr

Answer 1

5.

a. TV, snack food type (2 IV)

b. calories consumed

c. two way ANOVA : here we have two factors (TV and Food type) with three levels each

d. Calories = a + b*TVi + c*snack type j ; i ,j = 1,2,3

6.

a. caffiene , alcohol (2 IV)

b. driving errors

c. two wayANOVA : here we have two factors caffeine (no or yes) and alcohol (no or yes) i.e., two levels each

d. Driving errors = a + b*Caffeine i + c Alcohol j; i,j = 1,2,3

7.

a. type of treatment

b. effects of depression

c. two -way ANOVA where one factor is type of treatment and other is before or after treatment

d. depression = a + b * treatment i +c * taking treatment j ; i = 1,2,3 and j = 1,2

8.

a. Medication , therapy type and variable that indicates before or after treatment

b. effects on anxiety

c. three - way anova

d. anxiety = a + b*medication + c*therapy +d*filter

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