A Study Tests the Difference Between 20 Democrats and 20

question 65

Multiple Choice

A study tests the difference between 20 Democrats and 20 Republicans. In this example, the degrees of freedom is equal to ______.

• A) 18
• B) 19
• C) 38
• D) 39

---

Definitions:

Randomly Varying

Characterized by changes or differences that occur in a random manner, not following any specific pattern or prediction.

Shaping

A training technique that involves gradually reinforcing behaviors that come closer and closer to a targeted action.

Partial Responses

In medical and psychological treatments, reactions that show some improvement due to therapy but do not fulfill all criteria for complete remission.

Reinforcement

In operant conditioning, a process that increases the likelihood of a behavior by applying a positive stimulus or removing a negative one.