Based on power of 0.80 and alpha set at 0.05 (two-tailed), this sample size was adequately powered to detect a small effect size (Cohen’s d > 0.38) corresponding with what Ferguson (2009) classified as ‘minimal effect size representing a practically significant effect for social science data.’ Participants ( n = 175) were aged between 21 and 80 years old ( M = 37.13, SD = 12.69), and tended to be GPs/physicians (48.5%), clinical dieticians (21.7%), or medical students (9.7%), with small numbers of registrars, nurses, psychologists, and psychiatrists.
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Australian Healthcare Professionals' Knowledge of and Attitudes toward Binge Eating Disorder.
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