Posted by **Maria** on Saturday, January 8, 2011 at 12:00pm.

About how many participants are needed for 80% power in each of the following planned studies that will use a t test for dependent means with p < .05?

Predicted Effect Size Tails

(a) Medium Two

(b) Large One

(c) Small One

- Statistics -
**Cassandra**, Sunday, October 5, 2014 at 4:51pm
I HAVE NO IDEA!

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