Negative punishment is a behavior modification technique derived from the principles of operant conditioning developed by B. F. Skinner. It involves removing a desirable stimulus immediately after an undesirable behavior occurs, thereby reducing the likelihood that the behavior will be repeated in the future. The term "negative" refers to the removal of a stimulus, while "punishment" indicates that the goal is to decrease the occurrence of a particular behavior. Negative punishment differs from physical punishment because it does not involve inflicting pain or harm; instead, it relies on withdrawing privileges, rewards, or positive experiences that the individual values. In psychotherapeutic methods, negative punishment is commonly used as part of behavior therapy to help individuals eliminate maladaptive behaviors and promote healthier alternatives. Therapists carefully identify the target behavior, determine the reinforcing stimulus maintaining that behavior, and remove the reinforcement consistently whenever the undesirable behavior occurs. The intervention is planned, structured, and ethically implemented to ensure that it contributes positively to behavior change without causing emotional or psychological harm. Examples of negative punishment include taking away a child's screen time after aggressive behavior, suspending access to a favorite activity following repeated rule violations, or temporarily removing privileges when an adolescent fails to follow agreed-upon responsibilities. In therapeutic settings, a token economy system may involve the removal of earned tokens when disruptive behaviors occur. Since tokens can later be exchanged for rewards, losing them serves as