When we are considering both possible directions of the difference between means in the hypothesis, we call this a(n) ______.
A. null hypothesis
B. one-tailed hypothesis
C. alternative hypothesis
D. two-tailed hypothesis
Answer: D
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According to the text, “The nature of the autonomic nervous system is important to our understanding of stress. The sympathetic division was designed to deal with emergencies that could be resolved relatively quickly. Our ancestors either escaped that lion or they did not. Worrying about far distant dangers is a luxury that human beings did not have until quite recently.” Do you agree or
disagree with this statement? Explain your reasoning. What are the physical consequences of “worrying about far distant dangers?” What will be an ideal response?
According to the text, which of the following statements is accurate?
a) Motives are either intrinsic or extrinsic. b) The majority of motives are intrinsic. c) The majority of motives are neither intrinsic nor extrinsic. d) A motive can be both intrinsic and extrinsic.
Giving young children reasons for changing their behavior
A) is futile because they do not have the cognitive capacity to process the information. B) encourages them to adopt moral standards because they make sense. C) is not as effective of a motivator as fear of punishment or withdrawal of affection. D) can lead to denial of emotion and development of a weak conscience.
Tests which lack ______ produce high numbers of false negatives
a. reliability c. sensitivity b. specificity d. face validity