Wading Through the Data Swamp:
Program Evaluation 201
Supplements
Contingency Table Examples
2x2
| Participants | Comparisons | |
|---|---|---|
| Number and proportion of kids who DID smoke marijuana in past month | Cell A | Cell B |
| Number and proportion of kids who did NOT smoke marijuana in past month | Cell C | Cell D |
2x3
| 7th Grade | 8th Grade | 9th Grade | |
|---|---|---|---|
| Number and proportion of kids who DID smoke marijuana in past month | Cell A | Cell B | Cell C |
| Number and proportion of kids who did NOT smoke marijuana in past month | Cell D | Cell E | Cell F |
3x3
| 7th Grade | 8th Grade | 9th Grade | |
|---|---|---|---|
| Number of kids who used marijuana more frequently than alcohol or inhalants | Cell A | Cell B | Cell C |
| Number of kids who used alcohol more frequently than marijuana or inhalants | Cell D | Cell E | Cell F |
| Number of kids who used inhalants more frequently than alcohol or marijuana | Cell G | Cell H | Cell I |
2x5
| African-American | American Indian/Alaska Native | Asian/Pacific Islander | Hispanic/Latino | White | |
|---|---|---|---|---|---|
| Number and proportion of kids who DID smoke marijuana in past month | Cell A | Cell B | Cell C | Cell D | Cell E |
| Number and proportion of kids who did NOT smoke marijuana in past month | Cell F | Cell G | Cell H | Cell I | Cell J |
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Last Updated: 11/5/03
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