AP Psychology Exam Prep

Answer: D - A mental category that groups objects and relationships in the brain by their common properties is called a concept.
Key Takeaway: Concepts are mental categories that help our brains group objects that have common properties. Your brain groups spoons, knives, cups, and plates under the larger concept of kitchen utensil. These objects have a common property of helping you prepare food in the kitchen. Having siblings, friends, and spouses is also grouped under the concept of interpersonal relationships. These interpersonal relationships have you and your relationship with these people as a common property.