If the Probability of Committing a Type I Error for a Given

question 5

Multiple Choice

If the probability of committing a Type I error for a given test is to be decreased, then for a fixed sample size n, which of the following statements is true?

• A) The power of the test will increase.
• B) The probability of committing a Type II error will increase.
• C) The probability of committing a Type II error will decrease.
• D) A two-tailed test must be used.
• E) The probability of committing a Type II error will decrease and a two-tailed test must be used.

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Definitions:

IQ Scores

Numerical values derived from standardized tests designed to measure human intelligence and cognitive abilities relative to an age group.

Population

A group of individuals of a particular species residing within a specified area or region.

Intellectual Disabilities

Conditions characterized by significant limitations both in intellectual functioning and in adaptive behavior, which covers many everyday social and practical skills.

Specialized Areas

Specific segments or fields that focus on a particular aspect of knowledge or activity, requiring advanced skills or knowledge.