​Hilda is on a low carbohydrate diet, which restricts her fr…

​Hilda is on a low carbohydrate diet, which restricts her from eating foods such as white bread, potato chips, and pretzels. The more Hilda thinks about the fact that she cannot eat such foods, however, the more desperately she begins to crave them. Social psychologists refer to this kind of pattern as a(n) ____.