We have completed maintenance on DiscoverMagazine.com and action may be required on your account. Learn More

Are Effect Sizes in Psychology Meaningless?

An argument that conceptual replications are more important than effect sizes

Neuroskeptic iconNeuroskeptic
By Neuroskeptic
Jan 31, 2021 12:00 AMJan 31, 2021 2:25 PM
Brain with Question Marks Header - Neuroskeptic
(Credit: Neuroskeptic)

Newsletter

Sign up for our email newsletter for the latest science news
 

A new paper from Nick J. Broers of Maastricht University argues that the size of the effects measured in psychology experiments is essentially meaningless.

An 'effect size' is simply the magnitude of an effect. For instance, if I show that giving students an apple before an exam increases scores by 5% on average, I could say that the effect size of the apples was 5%.

0 free articles left
Want More? Get unlimited access for as low as $1.99/month

Already a subscriber?

Register or Log In

0 free articlesSubscribe
Discover Magazine Logo
Want more?

Keep reading for as low as $1.99!

Subscribe

Already a subscriber?

Register or Log In

Stay Curious

Sign up for our weekly newsletter and unlock one more article for free.

 

View our Privacy Policy


Want more?
Keep reading for as low as $1.99!


Log In or Register

Already a subscriber?
Find my Subscription

More From Discover
Recommendations From Our Store
Shop Now
Stay Curious
Join
Our List

Sign up for our weekly science updates.

 
Subscribe
To The Magazine

Save up to 40% off the cover price when you subscribe to Discover magazine.

Copyright © 2024 Kalmbach Media Co.