Answer the following statement(s) true (T) or false (F)

Question

1. Variables have inherent levels of measurements
2. Validity exists when statements or conclusions about empirical reality are correct.
3. Reliability exists when measurements are consistent.
4. Researchers choose the level of measurement for a variable during data analysis.
5. Test-retest reliability occurs when measures from two different data periods are compared.
6. Dichotomies are incapable of measuring the presence or absence of an attribute.
7. Triangulation refers to using multiple means of measuring the same variable.
8. Triangulation refers to using multiple means of measuring the same variable.
9. Open-ended questions can be used when a researcher is unaware of the potential responses to be given by respondents.
10. Measurement validity is not necessary to achieve causal validity or generalizability.
11. A single question is never an adequate measure of a concept.
12. Fixed-choice questions need to be both mutually exclusive and exhaustive.
13. Ordinal, interval, and ratio levels of measurement have mathematical meaning.
14. Blood pressure is an example of a psychometric.
15. IQ scores are an example of ecometrics.
16. Variables with the ratio level of measurement have an absolute zero.

Answer 1

1. False
2. True
3. True
4. False
5. True
6. False
7. True
8. True
9. True
10. False
11. False
12. True
13. True
14. True
15. False
16. True