Frequently, researchers will use the variance, rather than the standard deviation, because it is expressed in the same units that were originally measured

Advertisers have learned that they can be effective if they reach those who can influence the

A) created audience B) target audience C) empirical evidence D) agents of change

Which of the following is believed to be a mechanism that produces negative self talk ?

a. sub-conscious processing b. overactivity in the left hemisphere c. number of repetitions d. irrational beliefs (page 291)