G*Power Sample Size Calculations: 5 Min Demo
Channel: Stuart McErlain-Naylor
Date: 2021-03-16

How many participants do you need in your study? How can you design an efficient study? This video demonstrates an a priori power analysis / sample size calculation in G*Power.

G*Power: https://www.gpower.hhu.de/ 
G*Power manual: https://www.psychologie.hhu.de/fileadmin/redaktion/Fakultaeten/Mathematisch-Naturwissenschaftliche_Fakultaet/Psychologie/AAP/gpower/GPowerManual.pdf 
More tutorials: https://youtube.com/playlist?list=PLI7VLEjUJidCR8vDjPynNMQj4U0gf8Mw1 
10 common stats mistakes in 5 minutes video: https://www.youtube.com/watch?v=hlVl1dJE4GE 
A full lecture on statistics: https://www.youtube.com/watch?v=LKiX54NglCo 

Editorial - Recommendations for statistical analysis involving null hypothesis significance testing: https://doi.org/10.1080/14763141.2020.1782555 

More power analysis resources: https://www.stuartmcnaylor.com/statistics/#power-analysis 

A list of free online resources for academia: https://www.stuartmcnaylor.com/resources/ 

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