Thinkers are those for whom a sense of order, logic and sound reasoning are necessary ingredients to communicating. For the thinker, alternatives are always considered before arriving at a decision. Thinkers take time for reflection and can separate emotion from fact. At their worst, they can come across as unbending, rigid and unfeeling. Their e-mail can be seen by other styles as needlessly lengthy and detailed.
Feelers are the thinkers' psychological opposites.
They're people-centered and have a deep sense of loyalty. Feelers care about the way processes are implemented, because they're sensitive to the reactions of others. They've been known to forward chain e-mail and inspirational messages. Sensers are fact-based action people. They need to see legitimate evidence before they make a move.