Which of the following should an instructor consider when distributing motivational incentives?

Which of the following should an instructor consider when distributing motivational incentives?

A.
The incentives should be geared towards individuals and not the group as a whole.

B.
The incentives should be used to gain the learners attention.

C.
The incentives should be given out freely as encouragement to the learners.

D.
The incentives should be considered by the learners as appropriate and necessary.