Answer:
a conditioned stimulus
Explanation:
Ivan Pavlov was a great psychologist who has discovered the theory of classical conditioning while experimenting with dogs and has given a few important terms in the theory including conditioned and unconditioned stimulus and response.
Conditioned stimulus: According to Pavlov's experiment on classical conditioning, the term conditioned stimulus is defined as a formerly neutral stimulus after getting connected with an unconditioned stimulus gives rise to a conditioned response.
In the question above, the statement signifies that the sound of the bell is a conditioned stimulus.
I believe the answer is: self-awareness
self-awareness refers to a condition when individuals develop an awareness toward their own characters and feelings.
With this awareness, these individuals could personally identify their own strength and weakness in order to leverage them in achieving their goals in life.