Tom Wanted to Assess the Reliability of His Measure of Anxiety

question 20

Multiple Choice

Tom wanted to assess the reliability of his measure of anxiety so he had a group of introductory psychology students complete the measure of anxiety on March 3^rd and again on March 25^th. He then compared the scores that the students made on the two testing occasions using a statistical technique called correlation. He used this quantitative index as his measure of reliability. Tom used what method to assess reliability?

• A) test-retest
• B) equivalent forms
• C) split-half
• D) Cronbach's alpha

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Definitions:

Cholesterol Levels

A measure of the total amount of cholesterol, including LDL (bad) and HDL (good) cholesterol, in your blood.

Vegetarians

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Statistical Test

A procedure that uses sample data to evaluate a hypothesis about a population parameter.

Interval Level

Interval level refers to a type of data measurement that includes meaningful, equal distances between values, but without a true zero point, allowing for the measurement of difference and the use of arithmetic operations.