CLEP Intro to Educational Psychology Exam Prep

Category - CLEP Intro 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?
  1. It is reliable
  2. It is valid
  3. It is neither reliable nor valid
  4. It is both reliable and valid
Explanation
Answer: D - 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.
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