How are observational studies of populations different from experimental studies? What can be learned from observational populat

Question

Eduardwww [97]

2 years ago

9

How are observational studies of populations different from experimental studies? What can be learned from observational populat

ion studies?

SAT

1 answer:

WINSTONCH [101] · Answer 1 · 2022-11-21T21:07:48+03:00

Answer:

In an observational study, we measure or survey members of a sample without trying to affect them. In a controlled experiment, we assign people or things to groups and apply some treatment to one of the groups, while the other group does not receive the treatment.

Explanation: