Answer:
Perceptual set
Explanation:
Perceptual set: In psychology, the term perceptual set is also referred to as perceptual expectancy, and is defined as the phenomenon that involves a specific predisposition through which a person is ought to perceive distinct things in a particular way.
Fundamentally, a person notices only a few aspects of a particular situation or object and hence ignores the other given details. It is said that a perceptual set tends to happen in every sense.
In the question above, the given statement best illustrates the impact of "perceptual set".
Where is the diagram and what is the question asking...
I think its 1 not 100 percent sure tho
I believe the answer is: Reliability
Reliability in this context refers to the ability to provide consistent and accurate information in order to know the true difference before and after using the drugs, otherwise the data collected by Andrea would be inadmissible and it would mess up the whole research.<span />