A true experiment allows a researcher to assess whether and to what degree ______ is affected by a change in ______.
a. an independent variable; a dependent variable
b. a dependent variable; an extraneous variable
c. a dependent variable; an independent variable
d. an independent variable; an extraneous variable
Ans: C
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Morris has just been diagnosed with advanced pancreatic cancer. He refuses to believe the diagnosis and has seen several doctors who have confirmed it. Morris continues to insist that his diagnosis is impossible. Morris is in Kübler-Ross’s stage of dying called ______.
A. depression B. anger C. bargaining D. denial
Don wants to classically condition his roommate, Lloyd, to cringe whenever Don opens the squeaky drawer on his desk. To do this, Don decides to wait until his Lloyd is studying. Don will then open the drawer and then toss a ping-pong ball towards his roommates head. Don knows it is important to coordinate the squeaking from the drawer and tossing the ball so they are close together in time. Don
is concerned about ____. a. ?consequences b. ?contiguity c. ?contingency d. ?confluence
____________________ is the needs or drives within individuals that energize certain behaviors.
Fill in the blank(s) with the appropriate word(s).
In developing countries, what percentage of women past age 85 years are widows?
a. 90% b. 80% c. 70% d. 60%