Which of the Following Is FALSE

Which of the following is FALSE?

A) Including a "don't know" option with the regular scale positions for an item may add error to the study.
B) For most purposes,a minimum of 5 response categories should be included when designing measures.
C) Composite measures are more diagnostic than global measures.
D) The practice of negatively wording some items often seems to introduce a sort of negativity bias that may distort responses.
E) Measure reliability decreases as the number of scale positions are increased.