Exploring Reliability and Validity

Topics: Psychometrics, Cronbach's alpha, Reliability Pages: 3 (765 words) Published: January 20, 2013
Exploring Reliability and Validity
Lynetric Rivers
Liberty University

Abstract
This paper will focus on the types of reliability and validity used in the Values and Motives Questionnaire. Also this writer will be investigating areas of concerns and strengths as it relates to the Values and Motives Questionnaire, well as formulating an opinion of the test (VMQ) with the material presented. This writer will further conveying information concerning the sample size, nature of population that could possibly effect constructs tested by the test.

Exploring Reliability and Validity

The Values and Motives Questionnaire also referred as Value and Motives Inventory examines a person's motivation as it relates to their activities, and values. There are three areas in this inventory which include, interpersonal, intrinsic, and extrinsic. These three areas contain 12 topics of concern for testing purposes. This test can be used for a variety of reasons but most commonly used in the workplace and can also be used as guidance tool. There are two relevant subjects when exploring the Values and Motives Inventory. First, when probing reliability a working definition needs to be applied, “reliability refers to the consistency of such measurements when the testing procedure is repeated on a population of individuals or groups.” (Whiston, 2012, p. 40) Further, Whiston points out the different types of reliabilities which include alternate parallel forms, test- retest and of course internal consistency. When examining the reliability in regard to the Values and Motives Inventory, the internal consistency reliability was utilized in this inventory. Internal consistency reliability, “divide the instrument in different manners and correlates the score from the different portions of the instrument. Thus, these forms of reliability examine the instrument internally to determine its consistency or lack of error.” (p. 47). The most popular measure in the internal consistency is...

References: Values and Motives Questionnaire: The Technical Manual (n.d.). Retrieved from the Liberty COUN 521 website: Psytech International.
Values and Motives Questionnaire: The Technical Manual (n.d.). Retrieved from the Liberty COUN 521 website: Psytech International.
Values and Motives Questionnaire: The Technical Manual (n.d.). Retrieved from the Liberty COUN 521 website: Psytech International.
Whiston, S. (2012). Principles & Applications of Assessment in Counseling. Belmont, CA: Brooks/Coles Cengage Learning.
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