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QuestionStatistics
Which of the following best describes the external validity of an experiment?
A. The degree to which the results of the study are due to the treatment implemented.
B. The degree to which the results of the study would happen in the real world.
C. The degree to which the data support the research hypothesis.
D. The degree to which the changes in the dependent variable are caused by the independent variable.
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Answer
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Step 1:I'll solve this problem step by step, focusing on the concept of external validity in research methodology.
Step 2:: Understanding External Validity
External validity refers to the extent to which the results of a research study can be generalized beyond the specific research context. This means how well the findings can be applied to other situations, populations, or settings outside the immediate study.
Step 3:: Analyzing the Options
D. $$\text{Internal validity: The changes in dependent variable caused by independent variable}
Let's carefully examine each option: - This describes internal validity, NOT external validity - Incorrect choice - This DIRECTLY describes external validity - Captures the essence of generalizability - Correct answer - This relates to statistical conclusion validity - Not external validity - Incorrect choice - This describes internal validity - Focuses on causal relationships within the study - Incorrect choice
Final Answer
The degree to which the results of the study would happen in the real world. Key Insight: External validity is crucial because it determines whether research findings can be meaningfully applied beyond the specific research setting, making it an essential consideration in scientific research.
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