Which of the following explore(s)the question,"How do I know that the test,scale,instrument,etc.I use measures what it is supposed to?"
A)reliability
B)validity
C)both reliability and validity
D)neither reliability nor validity

Question

Quizplus · Accepted Answer

Validity specifically addresses the question of whether a test, scale, instrument, etc. measures what it is supposed to measure. Reliability, on the other hand, refers to the consistency or stability of the measurements. While both reliability and validity are important considerations in measurement and assessment, only validity directly addresses the question posed.

Which of the Following Explore(s)the Question,"How Do I Know That