Research into the effectiveness of CAM treatments like
acupuncture have failed to produce evidence of their value. Some have suggested that the positive results they occasionally produce are nothing more than the placebo effect. Which of the following concepts from this chapter is illustrated by this fact?
A) Occam's Razor
B) Correlation vs. causation
C) Ruling out rival hypotheses
D) Extraordinary claims
Answer: A
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Of the following, which is an example of "fluid" intelligence?
a. Finding a creative way to fix a broken machine b. Adding a row of numbers to determine the cost of a product c. Singing a familiar popular song d. Practicing free-throw shooting in basketball
Teachers are more likely to ____
a. ?perceive girls as more clever than boys b. ?direct boys into professions such as education c. ?accept incorrect answers from boys d. ?accept incorrect answers from girls
Alpha motor neurons receive input from
A. neurons in muscle spindles only. B. neurons in muscle spindles and Golgi tendon organs. C. spinal interneurons and neurons of the brainstem and motor cortex. D. neurons in muscle spindles and Golgi tendon organs, neurons of the brainstem and motor cortex, and spinal interneurons.
Xhao has devoted hours helping and working with Ming so that he understands his calculus homework. Such behavior exemplifies the Chinese concept of romantic love known as
a. yuan. b. gan qing. c. shiu-shiu. d. karma.