Joe Has Been Diagnosed by His Psychiatrist as Having an Anxiety

question 17

Multiple Choice

Joe has been diagnosed by his psychiatrist as having an anxiety disorder.His psychiatrist prescribes a medication that has been found to help reduce anxiety.Joe takes the medication but his anxiety level does not improve at all.Since an anxiety medication did not work,Joe concludes that his psychiatrist must be wrong and that he,Joe,must be suffering from some other disorder.What is the problem with Joe's conclusion?

• A) He is failing to consider the external validity of the prior research.
• B) He is failing to consider the internal validity of the research studies.
• C) He is failing to consider the lack of clinical significance of many research findings.
• D) He is failing to consider the patient uniformity myth.

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Definitions:

Sample Proportion

The fraction or percentage of a sample that exhibits a particular trait or attribute.

Population Proportion

The percentage of individuals in a population who share a certain characteristic or attribute.

Expected Value

The expected value of a random variable is the long-run average value of repetitions of the experiment it represents.

Normal Approximation

A method used to estimate the probabilities of a binomial distribution by approximating it with a normal distribution, especially useful for large sample sizes.