Multiple Choice
Bias in an experiment can occur when
A) a subject does not know who is in the control or experimental groups.
B) a technician knows which samples are from the control group.
C) a subject finds out the results of the experiment after it is finished.
D) a researcher randomly assigns subjects to the control or experimental group.
Correct Answer:

Verified
Correct Answer:
Verified
Q1: When graphing data, scientists plot the _
Q3: _ reasoning takes the form of "if/then"
Q4: Which of the following is a testable
Q5: When an experiment has a large sample
Q6: The germ theory was developed by microbiologists,
Q7: In science, an individual's personal experience or
Q8: The purpose of double-blind experiments is to<br>A)
Q11: The most effective control subjects in a
Q39: Which of the following is an appropriate
Q69: According to scientific evidence, what is the