Robert asks Thomas if he heard a knock at the door, and Thomas says that he did not. Robert, swearing he heard a knock, goes to the door and opens it, but there is no one there. Signal detection theorists would label Robert's perception that someone knocked at the door as a ________.
A. miss
B. hit
C. false alarm
D. correct rejection
Answer: C
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You caution a friend about eating so many foods that are high in fat content. Your friend replies that his grandfather ate all the bacon and cheese he wanted and he lived to be 93 . Which of the following is the BEST explanation for your friend's error in reasoning?
a. the Barnum effect b. the use of individual cases c. the self-fulfilling prophecy d. the fallacy of negative instances
The author of your textbook recommends that you do which of the following as a first step in conducting a repeated measures two-factor ANOVA?
a. calculate each sum of squares b. calculate each F ratio c. graph the means of the treatment conditions d. construct a blank summary table
Studies of electronic books
a. have not been carried out yet, so the effects of this new technology are unknown b. show that they may enhance phonological awareness c. indicate that they result in improved story comprehension d. suggest that children usually focus on "reading" the text and miss out on activating and exploring the other parts of the pages
According to the text, at about what age, on average, do most children learn to tie their own shoe laces?
a. age 2-3 b. age 3-4 c. age 4-5 d. age 5-6