Knowing the experiment's purpose can alter participants' behavior. This is a major problem with

It is possible to increase both our reading speed and comprehension, as long as our speed does not exceed _____ words per minute

A) 100 B) 200 C) 300 D) 400

The evolutionary explanation given by Taylor and colleagues for the different responses to stress by men and women is that

A) a "fight or flight" response by females would likely endanger helpless offspring. B) a "fight or flight" response by females would likely be useless because males tend to be stronger and faster than females. C) a "tend and befriend" response by males would likely reduce their ability to have large numbers of offspring. D) a "fight" response is generally more successful than a "flight" response.