Ecologic fallacy refers to:
a. Assessing exposure in large groups rather than in many small groups
b. Assessing outcome in large groups rather than in many small groups
c. Ascribing the characteristics of a group to every individual in that group
d. Examining correlations of exposure and outcomes rather than time trends
e. Failure to examine temporal relationships between exposures and outcomes
Answer: c. Ascribing the characteristics of a group to every individual in that group