Author Question: If the surviving participants in the last wave of testing in a longitudinal study on health and ... (Read 43 times)

rmenurse · **on:** Aug 23, 2018

If the surviving participants in the last wave of testing in a longitudinal study on health and aging are those who initially had the lowest blood pressures, then we have a case of

a. negative selective survival.
b. positive selective survival.
c. elective selective survival.
d. equally selective survival.

Question 2

Children in a daycare setting, ages 6-months to18-months of age, are participating in a study examining the development of gross and fine motor skills. They are tested each week so that the researchers can observe their progress as it occurs. This t

a. an experiment
b. a microgenetic study
c. a macrogenetic study
d. a cohort study