Complex sentence: Two concepts revealed in this study are that a communicator may be able to increase the positive force towards compliance by increasing their credibility, and that increasing the positive communication force and decreasing the negative communication force simultaneously should increase compliance.
Split into simpler sentences: Two concepts revealed in this study are that a communicator may be able to increase the positive force toward compliance by increasing their credibility. Also increasing positive force and decreasing the negative communication force simultaneously should increase compliance.