chapter_4--study_guide

chapter_4--study_guide - Chapter 4-Study Guide Student: 1....

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1 Chapter 4--Study Guide Student: 1. When developing a hypothesis, one important consideration is A. whether or not it is correct. B. testability. C. internal validity. D. external validity. 2. Confounds, or factors that make it difficult to interpret accurately the results of a study, directly affect A. reliability. B. external validity. C. internal validity. D. whether the results are published. 3. Shirley, a researcher, is interested in studying fathers’ affection for their children. She randomly assigns a hundred men to two groups: a control group and an experimental group. She gives each man a doll to play with, and measures how affectionate they are toward the doll. The experimental group is told that the doll represents their child, but this is not mentioned to the control group. What might be a problem with Shirley’s study? A. The internal validity may be poor, due to the use of randomization. B. The external validity may be poor, due to the use of a control group. C. The external validity may be poor, due to low generalizability. D. Nothing; this is a great study. Do it for your Master’s thesis. Cite me. 4. Whenever Hilda smiles, the whole world smiles with her. If Hilda doesn’t smile, the world doesn’t smile. The correlation coefficient describing the relation between Hilda’s smiles and the world’s smiles is A. +1.00 B. 0.00 C. -1.00 D. cannot be determined from this information. 5. The factor that distinguishes experimental research from other forms of research is A. the use of strategies to ensure external validity. B. that experimental research is done in a lab; all other research occurs in natural settings. C. that experimental research involves the manipulation of a dependent variable. D. none of the above
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2 6. Which of the following demonstrates the placebo effect? A. Wanda is getting a drug to control her anxiety; therefore, her younger brother wants to get a drug. B. Eugene’s therapist gave him an inactive medication, which she claimed would cure his insomnia. Eugene sleeps better when he takes this pill. C. Harvey is suffering from depression, but treatment is not available. Eventually, his depression dissipates. D. Hilary’s therapist doesn’t know how to cure her schizophrenia, but tries a variety of techniques, none of which works. 7. All of these are strategies used in single-case study designs to improve internal validity EXCEPT A. repeated measurement. B. withdrawal. C. control groups. D. multiple baselines. 8. Genetic linkage analysis can be used to determine A. whether a disorder is caused by genetic factors. B. the location of the gene that causes a disorder. C. whether a disorder runs in a family. D. if linking genes can cure a disorder. 9. Sequential design refers to
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This note was uploaded on 06/20/2011 for the course PSYCH 474 taught by Professor Ackner during the Spring '10 term at NMSU.

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chapter_4--study_guide - Chapter 4-Study Guide Student: 1....

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