Methodological crisis in science where results are difficult/impossible to replicate
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Who started the Replication Crisis?
Daryl Bem
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3 Reasons Research May not be Replicable
1. Researchers may not declare hypothesis in advance. 2. Researchers may pick out positive findings and not submit negative ones. 3. HARKing
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What is Exact Replication?
Using the same measures/conditions as the original study to replicate results
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What is Conceptual Replication?
Using a different set of methods/measures that test the same hypothesis
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How does the Incentive Structure of Academia influence the Replication Crisis?
Published research papers are needed to get jobs, promotions, etc.
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What is Publication Bias?
Significant results have a better chance of being published and into journals with greater prestige
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3 Types of Questionable Research Practices (QRPs)
1. P-hacking (unintentionally influencing the data collection process to produce a statistically significant result. 2. Researcher Degrees of Freedom (taking different paths until getting desired results) 3. HARKing (leads to type 1 errors)
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How to Prevent the Replication Crisis (1)
Study Preregistration: Commit to what they're going to study, the hypothesis and the dependent measure. They submit it and then collect the data.
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How to Prevent the Replication Crisis (2)
Changing the Incentives (Badges): Putting badges on online journals to show the ones that are more reliable
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How to Prevent the Replication Crisis (3)
Resgistered Replication Reports (RRRs): Write the intro and method section, get it peer reviewed and then then collect the data.
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