In an Experiment Testing the Effects of a Drug on Behavior

question 93

Multiple Choice

In an experiment testing the effects of a drug on behavior, whether or not a subject receives a drug represents the:

• A) dependent variable
• B) independent variable
• C) control variable
• D) random variable

---

Definitions:

Prior Probabilities

Initial probabilities used in Bayesian analysis, representing beliefs about probabilities before new evidence is taken into account.

Joint Probabilities

The probability of two events occurring together and at the same point in time.

Union Probabilities

The probability of the occurrence of at least one of two or more events.

Likelihood Probabilities

Refers to the use of probabilities to express the plausibility of parameter values given a sample of data, central in statistical inference.