Reference no: EM133628337
Discussion Post
Part I: Crocker & Algina, Ch. 6, Item 1:
Different situations can contribute to random or systematic measurement error in test scores. Is it random or systematic error that contributes to the following situations?
1. An observer rating counseling behavior during a counselor-client interview tends to rate female counselors more highly than males on items dealing with client rapport.
2. An examinee taking a math test is distracted by noise in a nearby hallway and consequently makes an error in computing the answer.
Part II: Crocker & Algina, Ch. 6, Item 2:
On page 128-129, #2 provides data from a 3-item test given to 4 examinees (refer to the relevant table). Using these data, answer the following questions:
1. What is the true score for examinee 3?
2. What is the true score for examinee 2?
3. What is the reliability coefficient for this test? (Look to Chapter 6, pg. 115-116 for a discussion of the reliability coefficient.)