What is the purpose of calculating descriptive statistics? -To determine if the outcome was the result of chance
-To disprove the hypothesis
-To ensure consistency for the purpose of replication
-To ensure that variables are measurable
-To illustrate the characteristics of groups

Which of the following is an example of negative reinforcement? a.marty knocks over his mother's prize fern so she gives him a time out. b.gwen mows the lawn and her dad takes her out for ice cream. c.tara takes an aspirin, and her headache begins to go away. d. peter comes in late from his lunch and is fired from his job.

Which of the following is an advantage of pure capitalism

Physical needs include: a. the need for sleep b. the need to feel safe c. the need to feel secure d. all of the above