A study of two exercise programs has 60 men and 60 women. Researchers randomly assign 30 men to each program and 30 women to each program.
What kind of design is this?
- Acheck_circle
Randomized block design with gender as the blocking variable
- B
Stratified random sample
- C
Completely randomized design
- D
Matched-pairs design
Explanation
Subjects are first separated into blocks (men, women) and then randomly assigned to treatments within each block - a randomized block design.