External Validity Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. James wants to conduct a study to see if a certain drug lowers depression. It just so happens that the subjects chosen for the study already have a low level of depression. Which threat to external validity is being described by this situation?

Question 2 2. Which of the following terms refers to when the subjects chosen for the experiment interfere with the results?

Question 3 3. Barkley conducts a study in which she puts subjects in a room with a plate of cookies and records how many cookies they eat during a certain period of time. Barkley is attempting to study the intelligence of her subjects. Which type of generalization is Barkley most obviously failing in this study?

Question 4 4. Vera is interested in predicting how well students will do in college math. In order to gather data, she gives a fraction test to different groups of students. Vera's assistant, Rob, expresses his concern that giving the students a test with only fractions will not tell them much about the students' more general ability in math. For which threat to external validity is Rob expressing his concern?

Question 5 5. Which of the following best defines external validity?

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Question 6 6. Nancy wants to make sure that the results of her study can be generalized to the world at large. Which of the following elements of her study is she looking to increase?

Question 7 7. Which of the following occurs when taking a test improves the performance of the subjects'

Question 8 8. Which of the following is NOT correct in connection with external validity in research?

Question 9 9. Which of the following statements best describes external validity?

Question 10 10. Ralph wants to increase the external validity of the data he is collecting on the behavior of nurses, so he decides to sit near the nurses' desk and record what he sees and hears without interfering. Which of the following best describes the method is Ralph using to increase external validity?

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Question 11 11. Which of the following terms refers to the extent to which results of a study can be generalized to the world at large?

Question 12 12. Mary is conducting a study with second-grade students, but wants to be sure that her findings can be applied to all elementary school-aged students. About which type of generalization does Mary seem most concerned?

Question 13 13. Which of the following conditions are true about a research project carried out in the field?

Question 14 14. Which of the following terms refers to issues with the task in the experiment that could affect external validity?

Question 15 15. Harriet is sure that the results of her study, that took place in a controlled environment, can be applied to the real world. About which type of generalization does Harriet appear to be most confident?

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Question 16 16. Mary conducts a study at her research lab, but wants to increase the external validity of her study. To do this, Mary asks her friend Barry if he would be willing to share his data from a similar study. Barry agrees, and Mary adds his data to hers. Which of the following is the method Mary is using to increase the external validity of her study?

Question 17 17. What does giving up some control enable a researcher to do?

Question 18 18. Which of the following best describes nonreactive measures?

Question 19 19. What should we conclude about a research study where only the independent variable affects the dependent variable?

Question 20 20. Which of the following refers to where subjects do better because of a pretest, not because of the intervention?

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Question 21 21. Measurement timing is when _____.

Question 22 22. Which of the following terms refers to when two or more interventions (or treatments) interact with each other?

Question 23 23. From which research environment is a researcher best able to generalize research results?

Question 24 24. Which of the following statements is not true?

Question 25 25. Which of the following occurs when subjects change their behavior because they are participating in an experiment?

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Question 26 26. Which of the following occurs when the effects of a treatment only last a short time?

Question 27 27. Which of the following occur when the results of a study are due to the or newness of a treatment?

Question 28 28. If a new drug for anxiety works only for the first four times that a person takes it, it is an example of _____.

Question 29 29. What is the main goal of research?

Question 30 30. Brad is worried that the treatment he is giving for his study is only working because the treatment is completely new to his subjects. Which type of threat may be affecting the external validity of Brad's study?

External Validity Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Psychology 105: Research Methods in Psychology  /  Psychology Courses
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