A theory's adequacy lies in its ability to predict a phenomenon or event successfully

According to Allport, Vernon, and Lindzey, theoretical values are expressed in our concerns for artistic experiences and in our desire for form and harmony

Indicate whether this statement is true or false.

"I know we're starting to get on each other's nerves. Let's put aside our differences and finish up." This statement would most likely be made by a group member functioning in which of the following social maintenance roles?

a) Encourager-supporter b) Harmonizer c) Motivator d) Gatekeeper e) Coordinator