________________: Positive consequences that motivate behavior

As the number of qualifying criteria for a research study increases, the ________ will fall

A) completion rate B) standard rate C) random rate D) incidence rate E) activation rate

Information collected in the census is collected:

A) by a long form sent to part of the citizens with the rest receiving a shorter form B) internally at the Bureau of the Census C) totally by sampling the citizenry D) by a short form only and everyone receives the same census form to complete E) only from those citizens having Internet access