**Exercise 1:** *A study finds that men prefer women with a waist-to-hip ratio of 0.7. The effect size is Cohen's d = 0.3. Interpret this finding.* - *Model answer/discussion guide:* A d = 0.3 is a small effect by conventional benchmarks (Cohen's d: 0.2 = small, 0.5 = medium, 0.8 = large). This mean