Questions about p-values, significance or power of tests

1. [:FAQ/pilot: Can I combine pilot data with main study data?]
2. [:FAQ/onesp: When and how do I evaluate a one-sided p-value?]
3. [:FAQ/powtabs: What sample sizes do I need for doing tests with a given power?]
4. [:FAQ/effectSize: A guide to magnitudes of effect sizes]
5. [:FAQ/prep: Problems using p-rep, the Probability of Replication]
6. [:FAQ/dunlap: A quick guide to choice of sample sizes for Cohen's effect sizes]
7. [:FAQ/comparezt:A note on comparing z and t statistics and their p-values?]
8. [:FAQ/td: How do I convert a t-statistic into an effect size?]
9. [:FAQ/cd: How do I compute Cohen's d in SPSS?]
10. [:FAQ/mse: How do I compute Mean Square Error (MSE) in EXCEL or SPSS?]
11. [:FAQ/effcis: A guide to obtaining confidence intervals for effect sizes]
12. [:FAQ/Escomp: How do I compute effect sizes?]
13. [:FAQ/powprogs:How do I do power calculations in SPSS, R, EXCEL and using web freeware?]
14. [:FAQ/equival:How do I compute statistical tests of equivalence?]

15. [:FAQ/SPSSpow:Computing Power for ANOVAs using the SPSS GLM procedure]

16. [attachment:MANpow.pdf Computing Power for ANOVAs using the SPSS MANOVA procedure]

17. [:FAQ/FDR:How do I do False Discovery Rate (FDR) corrections for multiple tests?]

18. [:FAQ/Bayes:How do I calculate and interpret conditional probabilities?]

19. [:FAQ/pvalsdef:What is a p-value?]
20. [:FAQ/pvalues:How do I find p-values using critical values as input in SPSS and EXCEL?]

21. [:FAQ/SpssBonferroni:Adjusted p-values]

22. [:FAQ/CombiningPvalues:Combining p-values by Fisher's and Stouffer's methods]

23. [:FAQ/CombiningZandT:Summing z values and summing t-values]

24. [:FAQ/Fdfs:Why does the value of one in the F distribution have a p-value which is less than 1?]