ESP People who claim to have ESP participate in a screening test in which they have to guess which of several images someone is thinking of. You and a friend both took the test. You scored 2 standard deviations above the mean, and your friend scored 1 standard deviation below the mean. The researchers offer everyone the opportunity to take a retest. a) Should you choose to take this retest? Explain. b) Now explain to your friend what his decision should be and why.
D esign and Analysis of Experiments Eighth Edition Arizona State University John Wiley & Sons, Inc. VICE PRESIDENT AND PUBLISHER Donald Fowley ACQUISITIONS EDITOR Linda Ratts CONTENT MANAGER Lucille Buonocore PRODUCTION EDITOR Anna Melhorn MARKETING MANAGER Christopher Ruel DESIGN DIRECTOR Harry Nolan SENIOR DESIGNER Maureen Eide EDITORIAL ASSISTANT Christopher Teja PRODUCTION SERVICES Namit Grover/Thomson Digital COVER PHOTO