How do you define reliability? How do you differentiate between measurement error, random error, and systemic error? Can you differentiate between parallel-forms and alternate-forms reliability estimates? What is inter-scorer reliability?
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Required Resources
The following is a list of resources that will help you complete the activities in this module. Below each resource are a few guiding questions to consider as you read and review. You do not need to record or submit your answers to these questions.
Textbook: Psychological Testing and Assessment, Chapters 5 and 6 As you read, think about the following
Chapter 5
How do you define reliability?
How do you differentiate between measurement error, random error, and systemic error?
Can you differentiate between parallel-forms and alternate-forms reliability estimates?
What is inter-scorer reliability?
What does a coefficient of reliability give us?
Compare speed tests to power tests.
What is item response theory?
Chapter 6
What is validity?
Can you compare content validity, criterion-related validity, and construct validity?
Compare face validity to content validity.
What are some types of test bias?
What is test fairness?
A Primer on the Validity of Assessment Instruments This article discusses how reliability and validity are utilized to construct assessment instruments. The article also discusses how these two concepts are measured. You can use this resource to help with the Module Three discussion assignment.
No Negative Flynn Effect in France: Why Variations of Intelligence Should Not Be Assessed Using Tests Based on Cultural Knowledge Intelligence tests have faced criticism for incorporating cultural bias in their structure and results. This article provides a case study.
Additional Support (Optional)
Do Adjusted Subscores Lack Validity? Don’t Blame the Messenger This article explains that there are techniques that increase subscores by borrowing information from other parts of the test, and that these techniques are criticized due to validity.
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