66. When Mark went to college he had a burning desire to join a social fraternity; for Mark, this would be an example of an aspirational group. 67. The family of procreation includes one’s parents and siblings. 68. A role consists of the activities a person is expected to perform. 69. The behavior people exhibit as they pass through certain life-cycle stages, such as becoming a parent, is largely fixed and does not change over time. 70. Divorce is an example of a critical life event that impacts a consumer’s behavior.  Â