When a 4-year-old girl suddenly picks up her ironing board and plays it like it is an electric guitar, it is likely that she has seen someone playing a real electric guitar in the same manner. Thus, she has learned via:.
a. observation.
b. classical conditioning.
c. operant conditioning.
d. neural networks.

i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.

nothing

hope this !

answer; having the power of reprieve means being able to release people from punishment;

answerpseudo forgetting;