CHEM 131 Midterm: Exam 1 No Solutions Spring 1996

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Some of the questions must be answered (those labeled no choice); for others you may choose among several questions. If i ask you to answer 5 of 7 questions, i will only grade the first 5 you answer, not your best 5 . Portions of the exam are difficult, but relax and try to apply what you know to these questions: distinguish between members of the following pairs. Suppose you have just performed a signal detection experiment. Explain why the two models make different predictions: [no choice] signal detection theory was originally developed to deal with questions of detection and discrimination in sensation and perception. But it can be applied to other domains as well. In this question, we will apply signal detection to memory. The signal to be detected is a recollection of a word item actually retrieved from memory. Its strength can vary, just as the strength of any stimulus to be detected can vary.