Which is NOT a component of informed consent?
a) the purpose of the research
b) who you are
c) how the participant can get a copy of the records
d) a computer simulation of the data
Question 2
The only control technique that can account for both known and unknown sources of extraneous variation is
a. precision control.
b. matching by yoked control.
c. random selection.
d. random assignment.
e. and offer clues to the researcher's hypothesis).