Educational Psychology
-Tina is trying to maintain her weight. She weighs herself once a week and her weight stays the same. What can we say about Tina's scale?

Question

Quizplus · Accepted Answer

Reliability refers to the consistency of a measurement. Validity refers to whether a test measures what it is intended to measure. In this example, Tina's scale is both reliable and valid. It is reliable because it measures Tina's weight consistently every week. The scale is also a valid measurement of weight.

Educational Psychology -Tina Is Trying to Maintain Her Weight. She Weighs Herself