Exam 1: Section 2: The Science of Psychology

Which does NOT belong with the others?

One group of 15 students studies the text of a story about gang violence while listening to rap music. A second group of 10 students studies the same story while listening to classical music. The experimenter then asks both groups to write down any details they can remember from the story. In this research design, the independent variable MOST likely is the _____.

Sample is to population as _____ is to _____.

Suppose you have a normal distribution of scores with a mean of 80 and a standard deviation of 5. What is the approximate value of a score with a percentile rank of 16 percent?

Sharon wants to study student perceptions of the residence halls at her university. She contacts every 20th name on an alphabetized list from the registrar's office. In this situation, the students contacted by Sharon represent _____.

Which statement about random assignment is TRUE?

A researcher may conclude that the independent variable's effect on the dependent variable is NOT due to random variation through the use of _____.

Because Jim was interested in the nest-building behavior of wrens, he went into the field to observe them. Jim was using the _____ method of research.

When there is a _____ relationship, as values of variable X (e.g., elevation) increase, values of variable Y (e.g., temperature) decrease.

What is the median of the following set of scores: 3, 6, 0, 7, 2, 2, 8?

The goal of naturalistic observation is _____, and the goal of a case study is _____.

A cognitive psychologist would explain how memory works by studying various _____.

Suppose the incomes for households in the small community of Hatcherville were $45,000, $50,000, $50,000, $53,000, $57,000, and $375,000. A real estate agent wants to portray the community as a high-income area. What measure of central tendency should the real estate agent use?

Dian Fossey's study of mountain gorillas in Africa is a good example of the _____ research methods.

Professor Bailey is examining the relationship between how close a student sits to the front of the classroom and that student's grade in a course. She believes that the greater the distance is between students and the front of the classroom, the lower their final grades will be. Which correlation coefficient BEST supports Professor Bailey's belief?