Reliability

Topics: Psychometrics, Reliability, Cronbach's alpha Pages: 2 (514 words) Published: July 6, 2014
EXPLORING RELIABILITY AND VALIDITY INSTRUCTIONS
In a 2–3-page Word document (not including the title and reference page), you will analyze the psychometrics provided from the Values and Motives Questionnaire (VMQ). Use APA formatting for the font (Times New Roman 12 pt.), title page, margins, and section headings. To receive full credit for this assignment, be sure to: 1.Address the type of reliability and validity used.

Explain the types of reliability and validity used. The authors of the VMQ do a good job of explaining general principles of norming, 2 types of reliability, and 2 types of validity on pages 14–15. But when they present the specific information about reliability in the first paragraph on page 17, they specifically state that they are using one (1) type of reliability and where this data can be found. This is the reliability that you will describe. The same applies to validity; find the specific information provided by the authors on the VMQ. 2.Reliability: Address the areas of concern and strength for the Cronbach alpha coefficients. Look at each of the constructs (scales) the test purports to measure and identify the proper category of low, acceptable, and high ranges of the Chronbach’s alpha coefficients for each scale. To do this, use the charts provided in the “What Makes a Good Test” handout. This explains how to read the reliability and validity coefficients. Match them to what is in the manual. Report the reliability category for all scales. Look at the number/percent of the scales with problematic versus acceptable internal consistency alpha values. What do you observe? 3.Explain how sample size and the nature of the population may influence the constructs that the test attempts to measure, noting any strengths and weaknesses in these areas. Validity: Look at the population used for the VMQ and the populations for the tests used to evaluate the VMQ’s validity. Do you believe that the populations of the other tests are comparable to...
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