Author Question: A researcher performs a series of pilot studies to evaluate whether a measurement tool produces ... (Read 141 times)

RRMR · **on:** Jul 8, 2018

A researcher performs a series of pilot studies to evaluate whether a measurement tool produces consistent results. This is an evaluation of

a. accuracy.
b. precision.
c. reliability.
d. validity.

Question 2

A researcher studying children identifies the following age groups: Birth to age 12 months 12 months to 3 years 3 years to 5 years 5 years to 12 years 12 years to 18 years These categories are not

a. empirical.
b. equal.
c. exclusive.
d. exhaustive.