The key take-home message from the author's discussion of crop circles is that
A) aliens or some form of extraterrestrial being has been trying to communicate with humans for hundreds of years.
B) the cause of some real-world events are unexplainable and unknowable.
C) critical thinkers must select the simpler of two claims that fit with the available evidence.
D) hoaxters often impede scientific progress into the understanding of unexplainable events like the English crop circles.
Answer: C
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How could you measure the reliability of a new test intended to measure nervousness?
a. Determine whether scores on the test form a normal distribution. b. Determine whether scores on the test correlate with hand shaking and voice tremor. c. Test people in two or more countries and see whether the results are similar. d. Test people repeatedly and see whether they get about the same score each time.
Suppose you are a woman who is applying for a job. You would be most likely to experience access discrimination if
a. the person hiring you has a moderate score on a test of gender-role stereotypes. b. the job is considered to be a feminine one. c. it is unclear whether you are well qualified. d. you have many letters of recommendation that document your previous work experience.
Josephina is obsessed with her weight, yet she will eat a whole package of Oreos in one sitting. Afterwards she will go into the bathroom and make herself vomit. Josephina is of normal weight, but she constantly has heartburn. Josephina most likely suffer
anorexia nervosa. degenerative organ disease. anxiety. bulimia nervosa.
Which of the following examples contradicts the central idea behind Abraham Maslow's "pyramid" of needs?
a. a person willing to do degrading jobs to buy food b. a person willing to put himself in danger in order to fight for social justice c. a person whose basic needs are met, so he can work on bettering himself spiritually d. a person unwilling to share their home with a stranger