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The Crucial Role of Sample Sizes in Research Studies
This chapter discusses the significance of sample size calculations in research studies, particularly focusing on the nuanced effects of caffeine on human performance. It highlights the risks of drawing incorrect conclusions with inadequate sample sizes and emphasizes the need for larger samples for accurate results, citing the examples of caffeine research and manipulation of effect sizes. The conversation delves into flaws in scientific research within sports science, advocating for better research practices and the establishment of global standards to enhance transparency and credibility in the field.