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Exam1PracticeQuestions - PRACTICE QUESTIONS FOR EXAM 1 1...

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PRACTICE QUESTIONS FOR EXAM 1 1. Science can be described as being “self-correcting.” This characteristics of science derives from the fact that a. scientific explanations are held to be tentative b. scientific hypotheses are difficult to test c. scientist are well trained and thus rarely make mistakes in conducting their research d. scientists only accept results obtained in prestigious universities and research centers; thus, once proven, a scientific explanation is rarely rejected e. scientific hypotheses must be confirmed at least twice before they are taken seriously Answer the next two questions with respect to the following paragraph. Dr. Hook is interested in whether people read different types of material at different rates. Subjects are asked to read one humorous story, one mystery story, and one sad story, each of which was written by a different author. The stories are presented in all six possible orders, with equal numbers of subjects receiving each order. Dr. Hook records the length of time it takes subjects to read the first 100 lines of each story. 2. The dependent variable in the study is a. type of story read by each subject b. order in which the stories are presented c. subjects’ reading rates for the different types of stories d. subjects' reading comprehension for the different types of stories 3. A confounding variable in this study is a. the type of story subjects are reading b. the authors of the stories c. the length of time it takes for subjects to read the first 100 lines of each story d. subjects' reading comprehension e. the order in which the stories are presented ---------------------------------------------------------------------------- 4. Which of the following accurately describe(s) a study with high internal validity?
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Answer the next four questions with respect to the following paragraph. Dr. Ford wanted to study the effect of authority figures on people's job performance. He gathered a random sample of bricklayers from a construction site and had them all lay bricks under two conditions: alone and in the presence of a supervisor. For each subject, Dr. Ford tossed a coin to determine in which order the subject would perform in the two conditions: first alone and then with the supervisor watching or first with the supervisor watching and then alone.
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