A researcher wants to find out if a new math program is superior to the old math program that is used to teach college algebra at a community college. She selects 400 students from the total student body of 4,000 students to participate in this study. The 400 students would be considered the

Feeling as if one always has to do more than the next person, faster than the next person, and better than the next person, may suggest a presence of _____

a) Type C behavior pattern. b) competitive personality disorder. c) Type A behavior pattern. d) Type D behavior pattern.

Poverty explains _____ in health risks and outcomes become different ethnic groups

a) all of the differences b) only the differences between Whites and Hispanics c) only part of the differences d) none of the differences