There are two ______ that a researcher must know to be true in order to use a t-test.
A. criteria
B. assumptions
C. requirements
D. parametrics
Answer: B
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A(n) _____ is any stimulus or event capable of producing physical or emotional stress
a) catastrophe b) coping mechanism c) uplift d) stressor
People with ADHD show
a. increased levels of serotonin activity. b. increased brain volume. c. decreased intelligence. d. decreased levels of dopamine activity.
When two variables move in the same direction it is referred to as ________.
A. causal correlation B. connected correlation C. positive correlation D. negative correlation
According to the brief social history of the cigarette presented in the introduction to Chapter 7 (Attitudes and Attitude Change), the way the industry has increased its business is primarily by
a. improving its product. b. producing more of its product. c. getting new populations of people to buy its product. d. decreasing the price of its product.