Question

Psychological measurements do not have a true zero point. Explain.

Answer 1

Answer:

In psychology, the intelligence quotient (IQ) is often considered to be measured at the interval level. Finally, the ratio level of measurement involves assigning scores in such a way that there is a true zero point that represents the complete absence of the quantity.

Answer 2

Answer:

Since an interval scale has no true zero point, it does not make sense to compute ratios of temperatures. ... Finally, the ratio level of measurement involves assigning scores in such a way that there is a true zero point that represents the complete absence of the quantity.