Which of the Following Is the Most Likely Reason That

Multiple Choice

Which of the following is the most likely reason that a researcher studying aggressiveness of children would choose to use naturalistic observation?

A) Naturalistic observation would allow for the most precise operational definition of aggressiveness and thus the highest degree of internal validity.
B) Naturalistic observation would allow for the greatest control over the setting in which the observations were made.
C) Naturalistic observation is the preferred method when systematic manipulation of independent variables is required.
D) Naturalistic observation is the preferred method when moral and ethical limitations apply to the topic under investigation.