How to maximize impact of your study by increasing external validity. #phd #phdlife | Summary and Q&A

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November 7, 2020
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Life in academia
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How to maximize impact of your study by increasing external validity. #phd #phdlife

TL;DR

External validity refers to the degree to which study results can be generalized, and it is important to consider this when designing and interpreting research experiments.

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Questions & Answers

Q: What is external validity in scientific studies?

External validity refers to the degree to which research findings can be generalized to real-world situations beyond the specific context of the study.

Q: Why is it important to consider external validity in study design?

Considering external validity allows researchers to make more generalized statements and increase the impact of their findings, as they can be applied to a broader range of situations.

Q: What are some examples of factors to consider for maximizing external validity?

Some factors to consider include including multiple species or variables of interest, such as different types of plastic, soils, or climates, to ensure the findings are applicable to a broader parameter space.

Q: What are the costs associated with maximizing external validity?

Maximizing external validity comes with costs, including financial investments, time, effort, and logistics. These costs increase with the inclusion of additional variables or replicates in the study design.

Summary & Key Takeaways

  • External validity is the extent to which research results can be applied to real-world situations.

  • To maximize external validity, experiments should include a range of variables, such as different species, types of plastic, soils, and climate conditions.

  • There are costs associated with maximizing external validity, including time, effort, and financial investments.

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