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Question 11.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 22.At the beginning of her study, Brandy administers a test to her subjects. Later in the study, Brandy begins to wonder if giving the initial test may have improved the performance of her subjects. About which threat to external validity is Brandy worried?
Question 33.Greg is doing an experiment in which he gives his group of subjects the first treatment, gathers data, gives the same group of subjects a second treatment, and then gathers data a second time. Which of the following might be a threat to the external validity of Greg's experiment?
Question 44.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 55.Which of the following describes an example of reactive arrangements?
Question 66.Ralph wants to increase the external validity of the data he is collecting on the behavior of nurses, so he decides to set up a lab in a hospital. What method is Ralph using to increase external validity?
Question 77.What is the main goal of research?
Question 88.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?
Question 99.What does giving up some control enable a researcher to do?
Question 1010.Which of the following best describes nonreactive measures?
Question 1111.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?
Question 1212.Mary really wants her new anxiety reducing drug on the market. Without realizing it, Mary selects subjects for her trial that already have lower anxiety. Which of the following threats to external validity is being shown in this situation?
Question 1313.Laura wants to be sure that the results of her study can be generalized to the world at large. What aspect of her study is Laura looking to increase?
Question 1414.Measurement timing is when _____.
Question 1515.What should we conclude about a research study where only the independent variable affects the dependent variable?
Question 1616.From which research environment is a researcher best able to generalize research results?
Question 1717.Which of the following conditions are true about a research project carried out in the field?
Question 1818.Which of the following conditions are true about a research project carried out in a well-controlled laboratory environment?
Question 1919.Which of the following statements best describes external validity?
Question 2020.If a new drug for anxiety works only for the first four times that a person takes it, it is an example of _____.
Question 2121.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 2222.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 2323.External validity is the extent to which:
Question 2424.Nancy is worried that some of the subjects in her study changed their behavior because they knew they were in a study. For which of the following is Nancy expressing concern?
Question 2525.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?
Question 2626.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 2727.Which of the following best defines external validity?
Question 2828.Nancy is looking at the results of her experiment. Some of the results indicate that some of her data may be coming from reactions by her subjects to an element of the experiment rather than her intended independent variable. Which of the following may have impacted Nancy's study?
Question 2929.A researcher has more control over variables when they do research in:
Question 3030.External validity is the extent to which _____.
External Validity: Homework Help Chapter Exam Instructions
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