1. One of the studies included in a meta-analysis reported statistically significant relationship (r = 0.63, p < .001) between the research variables.

a) What is the effect size?

b) Another study reported that the post intervention mean on a scale was 26.6 (SD = 8) for the treatment group and 18.5 for the control group (SD = 8). What is this effect size?

c) Describe why the effect size is important to nursing studies and its indications.

d) Write out how you would address this in a research report. You may name the research variables for this part of the exercise.