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
Predicted Effect Size Tails
(a) Medium Two
(b) Large One
(c) Small One
1 answer
1 answer
35 answers
1 answer