An Advantage of Using a Mechanical Device,such as an Actometer,is

question 9

Multiple Choice

An advantage of using a mechanical device,such as an actometer,is that:

• A)it permits a researcher to be free to measure other things in his or her study.
• B)it is unhampered by the biases associated with a human observer.
• C)it can assess a wide range of overt and covert behaviors.
• D)it is easier than questionnaires to use with children.