The main difference between benign and malignant tumors is​

A) ​that malignant cells can invade surrounding tissues.
B) ​the ability of benign tumors to metastasize.
C) ​the size of the tumor each produces.
D) ​that benign tumors attack nearly any tissue, whereas malignancies are specific to animal (including human) tissue cells.

One challenge for health psychologists is that people with _______ are not ready to change, according to _______. A study (Resnicow et al., 2001) found _______ effective for propelling them to a point of readiness to make changes in their health behaviors.​

A) ​a pessimistic bias; motivational interviewing; the transtheoretical model
B) ​a lower risk profile; the transtheoretical model; motivational interviewing
C) ​a lower motivation; motivational interviewing; the transtheoretical model
D) ​an optimistic bias; the transtheoretical model; motivational interviewing

​In which of these countries could you most expect people to use CAM less often than people in the United States?

A) ​United Kingdom
B) ​Germany
C) ​Australia
D) ​Sweden