asked 132k views
0 votes
In an observational study researchers try not to

A. Photograph any of the subjects
B. Include people who are difficult to contact
C. Ask questions that are too obvious
D. Influence the people in the study

1 Answer

6 votes

Answer:

D

Step-by-step explanation:

answered
User Rob Louie
by
7.9k points

No related questions found

Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.