"A test is an instrument or systematic procedure for measuring some sample of behavior" this definition of test is defined by?

"A test is an instrument or systematic procedure for measuring some sample of behavior" this definition of test is defined by?
(a) Ralph Taylor
(b) Nitko
(c) Norman E Gronlund *
(d) Krithwohl

✅ Correct Answer: (c) Norman E Gronlund
Explanation: Norman E. Gronlund defined a test as a systematic procedure to measure a sample of behaviour, emphasizing objectivity and reliability.