Introduction to Effect Size

This video is a short introduction to the concept of effect size, focusing on the two main measure of effect size, r and d.
This is part of a lecture series (5 videos) covering several supplemental topics in statistics.
The PowerPoint and data sets can be downloaded at:

If you have not installed the Data Analysis Toolpak (which comes free with Excel), the following video will show you how to do it.

[bexish]

I've been trying to find a clear way to demonstrate this to my undergrads. Thanks so much for the explanation and the resources!

[galohernandez]

the best video on Youtube about effect size!

[alioops]

This was very helpful! So glad to have found you. Subscribed.

[oliviahowe]

so much better than a textbook thank you

[ricardoveiga]

Quite useful for teaching graduate students. Thanks a lot!

[joaquincruz]

Awesome. Crystal clear. Thanks a LOT!!

[thankyou]

This was a super helpful video. Thank you so much for posting this.

[esanau]

Thanks a lot. Highly recommended video for understanding the effect size +++