Which of these experiments will have the LEAST power? O Experiment with sample size of n = 40 and a small effect size (Cohen's d = 0.05) O Experiment with sample size of n = 40 and a large effect size (Cohen's d = 0.45) Experiment with sample size of n = 20 and a small effect size (Cohen's d = 0.05) O Experiment with sample size of n = 20 and a large effect size (Cohen's d = 0.45)