As use of commercial voter lists by campaigns and public opinion researchers has grown, data offerings provided by voter file vendors have expanded. On top of standard political offerings, many ...

Demographic variables such as age, gender, income and occupation hold important clues to consumer behavior. People who share the same demographic profile usually have the same purchasing behavior. As ...

Seventeen populations of Pisidium casertanum (Poli 1795) from six rivers and eleven lakes were studied to determine how population demographics were related to environmental conditions. Univariate and ...