A researcher is using a chi-square test to determine whether people have any preferences among three brands of televisions. The null hypothesis for this test would state that ______
a. there are real preferences in the population
b. one-third of the sample prefers each brand
c. one-third of the population prefers each brand
d. in the population, one brand is preferred over the other two
C
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Suki routinely responds to stress with a learned helplessness response. Suki's response will involve
a. a release of emotional tension that often accompanies stress. b. passive behavior produced by exposure to unavoidable aversive events. c. protecting oneself from unpleasant situations by refusing to acknowledge them. d. atoning for unacceptable unconscious drives or impulses in socially acceptable ways.
Infants can perceive differences between highly similar speech sounds by the age of one month, as evidenced by sensitization to the sounds "marana" and "marala."
Answer the following statement true (T) or false (F)
You are asked to develop an effective prevention program concerning eating disorders in teens. What approach should you take? a. Utilize psychoactive medication
b. Aoid teaching about specific diets. c. Create a highly structured environment in which the teens have little personal input. d. Teach the importance of resisting the social pressure to be thin.
Attempting to prevent child abuse before it occurs is known as
A. primary prevention. B. secondary prevention. C. tertiary prevention. D. quarterly prevention.