Identify the IV(Independent Variables) and its levels.
Textbook: Research Methods in Psychology by Beth Morling
Chapter 10: Introduction to Simple Experiments
Chapter 11: More on Experiments: Confounding and Obscuring Variables
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Experiment #1 Questions:
1. Identify the IV(Independent Variables) and its levels.
2. Identify the DV(Dependent Variables) and how it is being measured.
3. Does this study utilize a between or within-subjects design?
4. Thinking about CONSTRUCT VALIDITY, respond to the following:
* What construct are the researchers attempting to manipulate? How do the researchers operationalize this construct? Is the operational definition of the manipulated variable reasonable?
* What constructs are the researchers attempting to measure? How do the researchers operationalize these constructs? Is the operational definition of these measured variables reasonable? Explain.
5. Thinking about INTERNAL VALIDITY, respond to the following:
* Did the researchers implement control variables? If so, list at least two.
* Was there a confound? If so, explain.
* How did the researchers handle variables they could not control such as participant characteristics? Are there any other relevant threats to internal validity?
* After considering your response related to internal validity, rate the internal validity of this study as high or low. Explain.
6. Thinking about EXTERNAL VALIDITY, respond to the following:
* What was the sample in this study? Was it randomly selected? Is there a potential bias present?
* Do you think the results of this study are generalizable?
Experiment #2 Questions
7. Identify the IV and its levels.
8. Identify the DV and how it is being measured.
9. Does this study utilize a between or within-subjects design?
10. Thinking about CONSTRUCT VALIDITY, respond to the following:
* What construct are the researchers attempting to manipulate? How do the researchers operationalize this construct? Is the operational definition of the manipulated variable reasonable?
* What constructs are the researchers attempting to measure? How do the researchers operationalize these constructs? Is the operational definition of these measured variable reasonable? Explain.
11. Thinking about INTERNAL VALIDITY, respond to the following:
* Did the researchers implement control variables? If so, list at least two.
* Was there a confound? If so, explain.
* How did the researchers handle variables they could not control such as participant characteristics? Are there any other relevant threats to internal validity?
* After considering your response related to internal validity, rate the internal validity of this study as high or low. Explain.
12. Thinking about EXTERNAL VALIDITY, respond to the following:
* What was the sample in this study? Was it randomly selected? Is there a potential bias present?
* Do you think the results of this study are generalizable?
Answer preview to identify the IV(Independent Variables) and its levels.
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