A social psychologist studying mass communication randomly assigned 85 volunteers to one of two experimental groups. Sixty-five were instructed to get their news for a month only fromtelevision, and 20 were instructed to get their news for a month only from the Internet. After the month wasup, all participants were tested on their knowledge of several political issues. The researcher simply predicted that there is some kind of difference. These were the results of the study. TVgroup: Mtv=27, S2tv=5; Internetgroup: MI=22.1, S2I=7. The pooledvariance, rounded to four decimalplaces, is 5.4578. Complete parts(a) and(b) below.

(a) Figure the estimated effect size for this study. Let the TV group be sample 1 and let the Internet group be sample 2.

The estimated effect size for this study is ?

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