Which statement about the use of measurement in the 'start where you are' guiding principle is CORRECT?

Which statement about the use of measurement in the ‘start where you are’ guiding principle is CORRECT?

Which statement about the use of measurement in the ‘start where you are’ guiding principle is CORRECT?
A . It should always be used to support direct observation
B . It should always be used instead of direct observation
C . Measured data is always more accurate than direct observation
D . The act of measuring always positively impacts results

Answer: A