Diff for "FAQ/powerFAQ" - CBU statistics Wiki
location: Diff for "FAQ/powerFAQ"
Differences between revisions 1 and 60 (spanning 59 versions)
⇤ ← Revision 1 as of 2006-09-28 15:27:59 →
Size: 78
Editor: PeterWatson
Comment:
← Revision 60 as of 2013-03-08 10:17:16 → ⇥
Size: 2016
Editor: localhost
Comment: converted to 1.6 markup
Deletions are marked like this. Additions are marked like this.
Line 1: Line 1:
 1. [:FAQ/Power: Power calculations for testing if correlations equal zero]   == Questions about p-values, significance or power of tests ==

 1. [[FAQ/pilot| Can I combine pilot data with main study data?]]

 1. [[FAQ/onesp| When and how do I evaluate a one-sided p-value?]]

 1. [[FAQ/powtabs| What sample sizes do I need for doing tests with a given power?]]

 1. [[FAQ/effectSize| A guide to magnitudes of effect sizes]]

 1. [[FAQ/prep| Problems using p-rep, the Probability of Replication]]

 1. [[FAQ/dunlap| A quick guide to choice of sample sizes for Cohen's effect sizes]]

 1. [[FAQ/comparezt|A note on comparing z and t statistics and their p-values?]]

 1. [[FAQ/td| How do I convert a t-statistic into an effect size?]]

 1. [[FAQ/cd| How do I compute Cohen's d in SPSS?]]

 1. [[FAQ/mse| How do I compute Mean Square Error (MSE) in EXCEL or SPSS?]]

 1. [[FAQ/effcis| A guide to obtaining confidence intervals for effect sizes]]

 1. [[FAQ/Escomp| How do I compute effect sizes?]]

 1. [[FAQ/powprogs|How do I do power calculations in SPSS, R, EXCEL and using web freeware?]]

 1. [[attachment:senspN.xls|How do I work out sample size for apriori specificities and sensitivities?]]

 1. [[FAQ/equival|How do I compute statistical tests of equivalence?]]

 1. [[FAQ/SPSSpow|Computing Power for ANOVAs using the SPSS GLM procedure]]

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

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

 1. [[FAQ/Bayes|How do I calculate and interpret conditional probabilities?]]

 1. [[FAQ/pvalsdef|What is a p-value?]]

 1. [[FAQ/pvalues|How do I find p-values using critical values as input in SPSS and EXCEL?]]

 1. [[FAQ/SpssBonferroni|Adjusted p-values]]

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

 1. [[FAQ/CombiningZandT|Summing z values and summing t-values]]

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

Questions about p-values, significance or power of tests

  1. Can I combine pilot data with main study data?

  2. When and how do I evaluate a one-sided p-value?

  3. What sample sizes do I need for doing tests with a given power?

  4. A guide to magnitudes of effect sizes

  5. Problems using p-rep, the Probability of Replication

  6. A quick guide to choice of sample sizes for Cohen's effect sizes

  7. A note on comparing z and t statistics and their p-values?

  8. How do I convert a t-statistic into an effect size?

  9. How do I compute Cohen's d in SPSS?

  10. How do I compute Mean Square Error (MSE) in EXCEL or SPSS?

  11. A guide to obtaining confidence intervals for effect sizes

  12. How do I compute effect sizes?

  13. How do I do power calculations in SPSS, R, EXCEL and using web freeware?

  14. How do I work out sample size for apriori specificities and sensitivities?

  15. How do I compute statistical tests of equivalence?

  16. Computing Power for ANOVAs using the SPSS GLM procedure

  17. Computing Power for ANOVAs using the SPSS MANOVA procedure

  18. How do I do False Discovery Rate (FDR) corrections for multiple tests?

  19. How do I calculate and interpret conditional probabilities?

  20. What is a p-value?

  21. How do I find p-values using critical values as input in SPSS and EXCEL?

  22. Adjusted p-values

  23. Combining p-values by Fisher's and Stouffer's methods

  24. Summing z values and summing t-values

  25. Why does the value of one in the F distribution have a p-value which is less than 1?

None: FAQ/powerFAQ (last edited 2019-01-16 12:17:26 by PeterWatson)