Question: 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 deviation of the distribution of means of change scores of 2.0 and the mean change score for the sample studied is an increase of 5.2. What is the t score?

a. -2.84

b. .38

c. 2.60

d. .77