What is reliability, What is the difference between

What is reliability

Reference no: EM133282036

Assignment:

1. What is reliability? Can an unreliable measure by valid? Why?

2. What is the difference between construct and criterion validity? What is one problem in establishing the former?

3. Why cannot the threat of attrition be controlled by the way we select experimental and control groups?

4. Why does randomization not guarantee that experimental and control groups will be equivalent in a specific study?

5. What is the difference between a theoretical variable and an indicator variable? Between an indicator variableó and an operational variable?

6. In gathering data by questioning people, what type of question often shows low reliability? What is one solution to the problem?

Reference no: EM133282036

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