Please research a reliable online resource that will help your classmates understand any one of the complex
principles of Chapter 2 or 3 from your text. These include:
Measurement Scales
Differentiation between Norm-Referenced and Criterion-Referenced Instruments
Frequency Distributions
Three Measures of Central Tendency
Calculate Variance and Standard Deviation
Interpreting Percentile Scores
Distinguishing among z scores, T scores and Stanines
Understanding the different methods for gathering a Normative Sample
Description of What a Reliability Coefficient Means using Classical Test Theory
Understanding the Statistical Technique of Correlation
Explain the Advantages and Limitation of the major types of Reliability Coefficients (test-retest, parallel forms,
internal consistency)
Evaluating Reliability Coefficients
Calculating and Interpreting Standard Error of Measurement
Describing Generalizability Theory
Understanding that Instruments Developed with Item Response Theory Calculate Reliability Differently
To help your classmates better understand the concept you are presenting:
- The online resource with a description of the reliable site you are posting and a brief explanation of the
concept that you are presenting to the class.
2What information in the site might help a helping professional comprehend the assessment principle? Did
they give an easier way to understand it by example? What example? Did they provide common sense
reasons why we need to know it? What was helpful?
You are required to articulate informed answers based on careful reading of the assigned materials. Please cite
at least one reference. Use APA style for all your references and citations.
Textbook: Whiston, S.C. (2017). Principles & Applications of Assessment in Counseling, 5th ed. Cengage
Learning. Belmont, CA ISBN-10: 1305271483; ISBN-13: 978-1305271487
Sample Solution
