1 Identify the study subjects; i.e. the cohort population. 2  Obtain baseline data on the exposure; measure the exposure at the start. 3  Select a sub-classification of the cohortâthe unexposed control cohortâto be the comparison group.  Follow up; measure the outcomes using records, interviews or examinations.
Ethnicity: French-Canadian (great-great-grandfather), Norwegian, German, Irish, English. Josh Duhamel is an American actor and model. He is married to singer and actress Fergie. His father, Larry David Duhamel, is of one eighth French-Canadian descent (from Joshâs great-great-grandfather, William Brassar Duhamel), along with German, English, Norwegian, and Irish. The ancestry of Joshâs mother, Bonnie/Bonny L. Kemper, is not publicly available.
Darold D. Brown Ferguson, Jr. (born October 20, 1988), better known by his stage name ASAP Ferg (stylized A$AP Ferg), is an American rapper from New York City's Harlem neighborhood. Aside from his solo career, he is a member of the hip hop collective A$AP Mob, from which he adopted his moniker.