[Solved] The availability of in-home media such as sexually explicit films and downloadable clips and films on the Internet has had a profound effect on who views erotic films. Operant Conditioning: Operant conditioning is a method of learning that occurs through rewards and punishments for behavior, encouraging the occurrence of desired behaviors. Systematic Desensitization: A therapeutic technique aimed at reducing anxiety through gradual exposure to the feared object or situation while using relaxation strategies. Stepwise Regression: A statistical method of building a regression model by adding or removing predictors based on their statistical significance, in a step-by-step procedure. Enclosed Spaces: Areas that are surrounded by boundaries or walls, often leading to feelings of confinement.