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Chapter 2 How Psychologists Do Research

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Question;45. A;researcher, based on her review of relevant scientific studies, believes that;there is a relationship between the frequency of a baby's crying and whether it;was nursed at set intervals or on a demand schedule. If this belief were tested by experimentally;manipulating feeding schedules, the feeding schedule would be called the;a. independent variable.;b. dependent variable.;c. extraneous variable.;d. control factors.;46. A;researcher, based on her review of relevant scientific studies, believes that;there is a relationship between the frequency of a baby's crying and whether it;was nursed at set intervals or on a demand schedule. If this belief were tested by experimentally;manipulating feeding schedules, frequency of crying would be called the;a. latent factor.;b. dependent variable.;c. independent variable.;d. control factor.;47. One of;the main reasons for using a laboratory for psychological research is to;a. prevent subjects from escaping.;b. study behavior in a natural setting.;c. do large-scale studies.;d. allow the researchers to control certain factors.;48. The;process of establishing causal relationships is associated most with;a. naturalistic observation.;b. experiments.;c. correlation.;d. surveys.;49. A;researcher tests the hypothesis that students who study in the room where they;take their tests will perform better on the tests than students who study in;other rooms. She requires one group to;study in the classroom where the exam is given and another group to study in;the library. All students take the test;in the classroom, and their test performance is compared. In this example, where students study is the;a. independent variable.;b. dependent variable.;c. manipulation.;d. hypothesis.;50. A;researcher tests the hypothesis that students who study in the room where they;take their tests will perform better on the tests than students who study in;other rooms. She requires one group to;study in the classroom where the exam is given and another group to study in;the library. All students take the test;in the classroom, and their test performance is compared. In this example, test performance is;a. the dependent variable.;b. the independent variable.;c. the manipulation.;d. the control group.;51. In;psychological studies, randomization is used to ensure that;a. there will be an independent and dependent;variable.;b. each person has an equal chance of being assigned;to each group.;c. the control group does not know the purpose of;the study.;d. the experimenter won't know who is in each group.;52. A;fake treatment" is one way to define a ______.;a. decoy;b. demand characteristic;c. control group;d. placebo;53. In an;experiment, a researcher manipulates one variable to see how it affects a;second variable. The manipulated;variable is called the __________.;a. dependent variable;b. control variable;c. independent variable;d. hypothetical variable

 

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