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Testing Analysis I All assignments MUST be typed, double-spaced, in APA style, and must be written at graduate level English

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Testing Analysis I
All assignments MUST be typed, double-spaced, in APA style, and must be written at graduate level English. You must integrate the material presented in the text and cite your work according to APA format.
Your responses to each question should be approx. 1 page per question

Assignment should be 5-6 pages total plus a title and reference page

 
1) Describe the different types of test reliability. How is each type of reliability determined? How is reliability related to measurement error and what does it mean for a test to have low or high reliability?
 
2) Describe the different types of test validity. How is each type of validity determined? How is validity related to prediction error?
 
3) Dr. Hoffman has created a new test to measure self-esteem. It consists of ten items and each item is rated 1-Disagree, 2-Neutral, or 3-Agree by the test taker. A sample item is “I am able to do many things well.”  On every item, "Agree" indicates higher self-esteem. The total score is determined but adding up item scores, and so it can range from 10 to 30.
 
She administers the test to large samples that are representative of the US population and creates the following norms:
 
                                         Mean    Std Dev
Females, 18-39                  15.0        2.5
Males, 18-39                      18.0        2.8
Females, 40 and older         11.5        2.5
Males, 40 and older             12.0        2.6
 
Assuming that Dr. Hoffman's test is a valid measure of self-esteem, what do these norms tell you about the relationship between gender, age and self-esteem? Carol, a 50-year-old woman, obtains a score of 14. How would you interpret this score?
 
4) Describe some of the primary applications of intelligence testing. In what ways are intelligence tests, such as the Wechsler tests and the Stanford-Binet useful?
 
5) Describe some of the advantages and disadvantages of group tests versus individual tests.