Introduction to Factorial Designs: A Worksheet

How energetic might people feel after drinking different types of soft drinks (caffeinated/high calorie, caffeinated/diet, decaffeinated/high calorie, decaffeinated/diet)? There are many possibilities. Some are tabled below. See if you can interpret those tables.


1.


No Caffeine

Caffeine

No Calorie

5

5

Calorie

5

5


DV=Energy Level on a 0 - 10 scale
Average of calorie groups=
Average of no calorie groups=
Estimated average effect of calories=
Average of caffeine groups=
Average of no caffeine groups=
Estimated average effect of caffeine=


2.


No Caffeine

Caffeine

No Calorie

5

7

Calorie

5

7


DV=Energy Level
Average of calorie groups=
Average of no calorie groups=
Estimated average effect of calories=
Average of caffeine groups=
Average of no caffeine groups=
Estimated average effect of caffeine=


3.


No Caffeine

Caffeine

No Calorie

6

6

Calorie

8

8


DV=Energy Level
Average of calorie groups=
Average of no calorie groups=
Estimated average effect of calories=
Average of caffeine groups=
Average of no caffeine groups=
Estimated average effect of caffeine=


4.


No Caffeine

Caffeine

No Calorie

8

2

Calorie

6

0


DV=Energy Level
Average of calorie groups=
Average of no calorie groups=
Estimated average effect of calories=
Average of caffeine groups=
Average of no caffeine groups=
Estimated average effect of caffeine=


5.


No Caffeine

Caffeine

No Calorie

2

4

Calorie

6

8


DV=Energy Level
Average of calorie groups=
Average of no calorie groups=
Estimated average effect of calories=
Average of caffeine groups=
Average of no caffeine groups=
Estimated average effect of caffeine=


6.


No Caffeine

Caffeine

No Calorie

2

4

Calorie

6

10


DV=Energy Level
Average of calorie groups=
Average of no calorie groups=
Estimated average effect of calories=
Average of caffeine groups=
Average of no caffeine groups=
Estimated average effect of caffeine=


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