# Statistics

posted by .

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

## Similar Questions

1. ### 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 job-skills training program. The cutoff "t" needed is -1.8333. The standard …
2. ### 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 job-skills training program. The cutoff "t" needed is -1.8333. The standard …
3. ### 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 job-skills training program. The cutoff "t" needed is -1.8333. The standard …
4. ### 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 job-skills training program. The cutoff "t" needed is -1.8333. The standard …
5. ### 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 job-skills training program. The cutoff "t" needed is -1.8333. The standard …
6. ### 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?
7. ### 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
8. ### statistics

Approximately how many research participants would be required for 80% power for a study using the t test for dependent means (assume a one-tailed hypothesis with an expected medium effect size of .50):
9. ### 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
10. ### 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?

More Similar Questions