We belong to groups to meet several different needs. Our need for __________ suggests the need to influence the environment around us. 

Which of the following statements would be the best response to a compliment about a presentation that you just gave?

A) ?My presentation was great wasn?t it. I spent the last month working on it? B) ?I didn?t really rehearse. I don?t think it was any good.? C) ?It was up to par, but yours was much better.? D) ?Thank you.?

A model is defined as ______.

A. a precursor to a theory B. a physical representation of a theory C. a specific application of a prediction D. all of these