The scope and content of a speech of courtesy is to illustrate; don't argue

Children and adults who have honest-looking features are just as likely to be presumed to be lying as other children and adults

Indicate whether this statement is true or false.

The contact hypothesis is optimal under which of the following conditions?

a. The two groups in contact are not of equal status within the contact situation. b. The contact includes impersonal and brief communication. c. The contact requires cooperative interdependence between groups. d. The two groups in contact agree to honor the current social hierarchies between the groups.