A test subject is participating in an experiment in which he must choose between two buttons. Pressing Button A will reward him with $5, while pressing Button B will donate $10 to a local charity. As a researcher looks on, the test subject chooses Button B. It's possible that the experiment's findings could be affected by __________.

Which of the following describes the relationship between the population, the sample, and sampling in an experiment?

Garth believes that there is a relationship between eating yogurt and doing well on important tests. Since there is not actually a relationship between these two variables, Garth's thinking represents an __________________.

In an experiment, the __________ variable is manipulated to predict the dependent variable.

Brenda is told that she is being given a caffeine pill. However, the experimenter simply gave her an empty pill. Fifteen minutes later, Brenda reports feeling more energized. What concept explains Brenda's report?

Which of the following correlation values represents the strongest correlation between two variables?

In a study of the effect of a new drug on sleep, researchers bring participants into a sleep lab and give half of them the new drug and half of them a placebo. They then asked the participants how they slept the next morning. In this experiment the quality of sleep is the __________ variable.

Which of the following characteristics is true for a falsifiable hypothesis?

Jessica scored points on a test. The mean score for the test was points with a standard deviation of . What is Jessica's z-score?

Which of the following best describes Functionalism's influence on the study psychology?