Answer:
Naturalistic observation
Explanation:
Naturalistic observation is a common psychological method that is used by psychologists and sociologists during the study. This technique is to observe the subjects in the natural environment. This type of situation generally used to where conducting lab research is unrealistic, cost-prohibitive, and unduly affects the subject behavior. Naturalistic observation is different from the structured observation, in that it involves looking at the behavior as it occurs in its natural settings without the attempt to any intervention on part of the researchers.
A.The Roman empire relied on physical features as natural barriers.
This most clearly illustrates
"Classical conditioning".
Classical conditioning hypothesis
includes taking in another conduct by means of the procedure of affiliation. In
basic terms, two stimuli are connected together to deliver a recently learned
reaction in a man or creature. There are three phases of Classical conditioning. At each stage
the stimulus and reactions are given unique terms.
plot, character, setting, description
Your answer is b hope it’s right