Statistics
posted by Maria .
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
Respond to this Question
Similar Questions

Statistics
A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular jobskills training program. The cutoff "t" needed is 1.8333. The standard … 
Statistics
A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular jobskills training program. The cutoff "t" needed is 1.8333. The standard … 
math
A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular jobskills training program. The cutoff "t" needed is 1.8333. The standard … 
stats
A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular jobskills training program. The cutoff "t" needed is 1.8333. The standard … 
statistics
A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular jobskills training program. The cutoff "t" needed is 1.8333. The standard … 
Statistics
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? 
Statistics for the Behavioral and Social Sciences
Using a t test for dependent means based on .05 significance level, what is the power of each studies. Study Effect size N Tails (a) Small 20 one (b) Medium 20 one (c) medium 30 one (d) medium 30 two (e) large 30 two 
statistics
Approximately how many research participants would be required for 80% power for a study using the t test for dependent means (assume a onetailed hypothesis with an expected medium effect size of .50): 
statistics for the behavioral and social sciences
Using a t test for dependent means based on .05 significance level, what is the power of each studies. Study Effect size N Tails (a) Small 20 one (b) Medium 20 one (c) medium 30 one (d) medium 30 two (e) large 30 two 
Statistics
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?