The
answer is "Attitude can be strengthened by a persuasive message or
argument against it".
Zakaray L. Tormala and Richard e. Petty, both
are professors from different universities, Tormala from Indiana University and
Petty from Ohio state university. They both have a recent research in 2002 that
is about Source Credibility and Attitude Certainty. According to their when
people resist inducement,
they can distinguish this
resistance and become more sure of their initial approaches.
