According to your text, you should not select a presentation aid until you have decided on _________

Which technique for mastering performance anxiety involves using the body language of powerful people while rehearsing?

A) ?visualization B) ?power posing C) ?habituation D) ?internal-monologue E) ?cognitive modification

Self-concept is fairly fluid--most people's self-concept changes constantly throughout their lives.

  a.  True   b.  False