1. A researcher obtains a mean of m = 26 for 36 for a sample in one treatment condition and m = 28 for a sample in another treatment. the pooled variance for the two samples is 16. What value would be obtained if Cohen's d were used to measure the effect size? a. 2/16 b. 4/16 c. 2/4 d. there is not enough information to determine Cohen's d