Not exact matches
Several experts questioned
whether the practice is in keeping with the federal
Age Discrimination in Employment Act of 1967, which prohibits
bias against people 40 or older in hiring or employment.
Demographic differences across families that can
bias studies in favor of breast - feeding include parental race,
age, marital status, family income, insurance coverage, the mother's education and employment, and
whether a woman smokes or drinks during pregnancy.
Those discrepancies could reflect
biases in the data, Zagheni said, such as lower Facebook usage in that demographic group, or differences across
age groups in the amount of information posted on Facebook, such as details about users» hometowns — and thus
whether they would be considered an expat.
It is not known
whether the observed differential enhancement of number of deaths by
age resulted in a
biased age distribution in the enhanced dataset, or served to correct a reporting
bias in the original dataset.
This study aims: (a) to examine
whether poverty predicts changes in behavior problems between 1.5 and 8 years of
age; (b) to estimate potential selection
bias for the observed associations.