1) In a planned study, there is a known population with a normal distribution, Population

M=55, and Population SD=7.

What is the predicted effect size if the researchers predict that those given an experimental treatment have a mean of (a) 55, (b) 56, (c)59,(d)62, and (e)46? For each part, also indicate whether the effect is approximately small, medium, or large.

(a)d=

2) In a completed study, there is a known population with a normal distribution, Population M=25, and Population SD=12. What is the estimated effect size if a sample given an experimental procedure has a mean of (a) 19, (b) 22, (c) 25, (d) 30, and (e) 35? For each part, also indicate whether the effect is approximately small, medium, or large.

a) d=