Week 3 - The Replication Crisis

Question 1

Why is there little incentive to attemp replication research?

Answer 1

Prestigous journals are less likely to publish null findings or exact replications. Also, researchers does not want to taint psychology’s reputation as being a science that produces false positives.

Question 2

What is a common contributor to false positives?

Answer 2

Researchers select an analysis techinique after data collection taht will reveal a statistically significant result.

Question 3

What are four common degrees of freedom that can contribute to a false positive?

Answer 3

1. Choosing among dependent variables.
2. Choosing sample size
3. Using covariates
4. Reporting subsets of experimental conditions

Question 4

What is the issue with stopping data collection on the basis of interim data analysis?

Answer 4

It creates more false positives.

Question 5

What is reproducible analysis?

Answer 5

The ability for other scientists to repeat the analysis you did on your data.