2003 AP Psychology Free-Response Questions |

**Directions:** You have 50 minutes to answer BOTH of the following questions. It is not enough to answer the question by merely listing facts. You should present a cogent argument based on your critical analysis of the questions posed, using appropriate psychological terminology.

- A. Statistics are often used to describe and interpret the results of intelligence testing.

· Describe three measures of central tendency (mean, median, and mode).

· Describe a skewed distribution.

· Relate the three measures of central tendency to a normal distribution.

· Relate the three measures of central tendency to a positively skewed distribution.

· An intelligence test for which the scores are normally distributed has a mean of 100 and a standard deviation of 15. Use this information to describe how the scores are distributed.

· In two normal distributions, the means are 100 for group I and 115 for group II. Can an individual in group I have a higher score than the mean score for group II? Explain.

B. Apply knowledge of psychological research in answering the following questions about intelligence scores.

· Explain why norms for standardized intelligence tests are periodically updated.

· Describe how to determine whether an intelligence test is biased.

- A. Define the following psychological concepts.
- Cognitive dissonance
- Conformity
- Incentive motivation
- Negative reinforcement
- Physiological addiction

B. Use one specific example for each of the concepts in part A to explain how the concept might relate to either the development of or the continuation of a smoking habit. It is not necessary to use the same example for each concept.