Normality of distributions is an assumption involved in the use of a t-test

Focusing on the prevention of mental health problems will allow us to

a) Feel better about not providing great treatment for people who currently have mental health problems b) Invest in the future (and forget about the past) c) Try to ensure than all Canadians are happy and healthy d) Create new jobs for community psychologists

A behavior may be followed by a positive consequence, or reinforcer, such as food; or by a negative consequence, or punisher, such as a slap; or by nothing with these results determining whether a response is likely to be made again. The type of learning just described is

a. classical conditioning. b. operant conditioning. c. respondent conditioning. d. insight learning.