A Type I error is the result of
A) improper measurement techniques on the part of the researcher.
B) failing to reject the null hypothesis when, in fact, it is true.
C) incorrectly rejecting the null hypothesis.
D) incorrectly failing to reject the null hypothesis.
C
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In 1990, the rock band Judas Priest was put on trial for contributing to the suicide of a teenager
It was alleged that their music, when played backward, encouraged a teenage boy to shoot himself. Expert witnesses at the trial testified that subliminal messages are very unlikely to cause major changes in behavior, and even less likely to do so when they are reversed. The musicians should be thankful that the jury remembered which principle of critical thinking? A) Extraordinary claims B) Occam's Razor Incorrect. While there is probably a much simpler explanation for the suicide of the young man, it is not addressed in this question. C) Replicability D) Correlation vs. causation
Sheldon Cohen and his colleagues have studied the relationship of stress levels and susceptibility to colds. He has agreed to address a meeting of psychologists on the topic. When he is asked for a title for his presentation,
which of the following would be a good choice? a) "Stress Levels and Colds: Time to Dispel This Myth" b) "The Real Nature of the Relationship: Colds Cause Stress" c) "Attack of the Killer Hormones: High Stress Levels Kill Viruses" d) "Chances of Catching a Cold: Stress Levels Make a Difference"