Problem 6: Researchers are testing two new cholesterolmedications. Medication is given to some males and females and aplacebo is given to others. The tablesbelow summarize the resultingHDL cholesterol levels after 8 weeks.
Problem 6a: Is there evidence of effect modification withmedication A? Provide a brief (1-2 sentences) explanation.
Medication A | | | |
Women | N | Mean HDL | Std Dev of HDL |
New drug | 40 | 35.47 | 2.45 |
Placebo | 41 | 38.42 | 3.42 |
| | | |
Men | N | Mean HDL | Std Dev of HDL |
New drug | 10 | 46.19 | 1.35 |
Placebo | 9 | 39.06 | 2.89 |
Problem 6b: Is there evidence of effect modification withmedication B? Provide a brief (1-2 sentences) explanation.
Medication B | | | |
Women | N | Mean HDL | Std Dev of HDL |
New drug | 40 | 46.12 | 2.19 |
Placebo | 41 | 39.24 | 2.47 |
| | | |
Men | N | Mean HDL | Std Dev of HDL |
New drug | 10 | 45.25 | 1.89 |
Placebo | 9 | 39.06 | 2.22 |