Jeff is a researcher who wants to understand the effect of child abuse on an individual's personality and attitude. He forms two groups of participants for his study. The first group includes people who were abused during their childhood and the second group includes people who had normal childhoods. This type of division of people based on actual differences rather than through random assignment is referred to as which type of design

Ex post facto

Explanation:

Ex post facto may be considered a form of research pattern whereby the facts are already established beforehand. That is findings about a particular phenomenon or occurence begins only after the facts about the incident or phenomenon has been established. It is also called after the fact research whereby the researcher only delves into finding patterned after the facts have been established without the knowledge, understanding of the researcher. Ex post facto is used to understand the pattern or effect rather than if the fact or problems truly exists.

answer; /// (a) and (b) ; /// but i believe the correct answer is ; /apart from fines and jail time, driving under the influence puts the life of the driver and everyone else on the road at risk; (b)

abolish

do away with

unanimous

in complete agreement

secede

separate; break free

inauguration

starting a new position with a formal ceremony.

cooperationist

people who wanted the north to cooperate with the south

surrender

to give up

volunteer

perform a service for free

draft

involuntary service in military

retreat

withdraw; move away from enemy

advisor

expert who gives advice

explanation: