Assign the error or bias most fitting (confounding error,
ecological fallacy, effect modification error, recall bias,
selection bias.
Provide a thorough rationale for your assignment
Provide a remedy to avoid the error or bias
200 women who were survivors of breast cancer, and 200 women
from the community with no history of cancer, matched for age and
parity, were surveyed about a variety of prior exposures that could
have a relationship to the development of breast cancer. Several
items, including...