The Placebo Effect Typically Leads Us to ________ the Effectiveness

question 11

Multiple Choice

The placebo effect typically leads us to ________ the effectiveness of therapy, and regression toward the mean typically leads us to ________ the effectiveness of therapy.

• A) overestimate; underestimate
• B) underestimate; overestimate
• C) overestimate; overestimate
• D) underestimate; underestimate

---

Definitions:

Normal Curve

A symmetric, bell-shaped curve that represents the distribution of many types of data; most scores are near the average, and frequencies decrease as you move away from the center.

Binomial Random Variable

A type of random variable that arises from a binomial experiment, representing the number of successes in a fixed number of independent Bernoulli trials.

Sampling Distribution

Distribution probabilities of a given statistic, ascertained through random sampling.

Standard Deviation

An indicator of the extent of variability or spread within a collection of numbers, illustrating the degree to which these numbers diverge from one another in a dataset.