Communication apprehension can occur in a variety of settings such as at work, at school, and in interpersonal conversations

Unless you have sufficient evidence otherwise, you must assume that:

a. both the null and alternative hypotheses are true b. the alternative hypothesis is true c. neither the null nor alternative hypotheses are true d. the null hypothesis is true

The more heterogeneous the group membership, the easier it is for a person to play the tension-releaser role

A. True B. False