The old friends hypothesis has been used to explain ______.
a. how maintaining a sterile living environment and encouraging frequent handwashing has led to a reduction in various common and chronic illnesses
b. how food can best be prepared to prevent the spread of salmonella to children
c. the increase in asthma and allergies
d. the upsurge in recent years of obsessive compulsive disorder
Ans: C
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Which of the following represents the highest level of Bloom’s cognitive taxonomy?
a. Write definitions for plane, convex, and concave mirrors. b. Given diagrams of three kinds of lenses, provide the name of each. c. Predict whether a given material is transparent, translucent, or opaque. d. Devise a demonstration to show the refraction of light when it passes from air to water.
Suppose the experiment was conducted so that younger rats received only the two smaller drug doses, and older rats received the larger dose and no drug. The effects of age and drug dose would then be:
a. independent. b. interacting. c. cancelled. d. confounded.
A psychologist has designed a new intelligence test. She has constructed two forms of the test, Forms A and B, and she claims that both forms measure intelligence equally well. She randomly selects 11 subjects and has each of them write Form A and Form B) She computes the correlation between the forms to be + .80. At a = .05, use a non-directional alternative to test her claim that the two forms measure the same thing. Note: tcrit = ± 2.262. What is the standard error?
What will be an ideal response?
Raising awareness of the state of the planet and global dynamics includes
A. Recognizing the interconnected, complex global system we live in. B. Dedicating all effort and commitment to the international level. C. Declaring a single loyalty to "earth first." D. Emphasizing national interests first and foremost.