You Are Considering Testing a New Drug That Is Supposed

question 39

Multiple Choice

You are considering testing a new drug that is supposed to facilitate learning in mentally retarded children. Because there is relatively little known about the drug, you plan to use a nondirectional alternative hypothesis. Since your resources are limited, you can test only 15 subjects. The subjects will be run in a repeated measures design and the data will be analyzed with the sign test, using a = 0.05_{2 tail}. What is the probability of a Type II error?

• A) 0.7032
• B) 0.7031
• C) 0.9824
• D) 0.9648

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Definitions:

Suicide

The act of intentionally causing one's own death, often associated with factors such as mental illness, trauma, and severe stress.

Ego Identity

In psychology, it is the sense of oneself as a distinct, continuous entity with a set of beliefs, affiliations, and values.

Foreclosure

In terms of identity formation, it refers to committing to an identity without exploring other options. Separately, it also describes the legal process where a lender takes possession of property due to the borrower's failure to make mortgage payments.

James Marcia

A developmental psychologist known for his work on adolescent identity formation and his theory of identity status development.