Because Saleem was spanked on several occasions for biting electric cords, he no longer does so. Saleem behavior change best illustrates the value of:

Answer:Operant conditioning

Explanation:

Operant conditioning is the way in which the strength of a particular behavior is modified by being decreased or increased using reinforcement or punishment.

One is able to understand a particular behavior and consequences of that behavior through its reforcement or punishment.

Punishment aims to decrease the undesired behavior, positive punishment introduces an unwanted situation which will discourage an unwanted behavior.

A negative outcome of a behaviour will discourage an occurrence of that behavior or an addition of something unpleasant. This what is happening with Saleem to discourage Saleem from biting electric cord an addition of spanking was used and this is positive punishment.