The effect of trial size on statistical power.

  title={The effect of trial size on statistical power.},
  author={Barry T. Bates and Janet S Dufek and Hasker P Davis},
  journal={Medicine and science in sports and exercise},
  volume={24 9},
Many research studies produce results that falsely support a null hypothesis due to a lack of statistical power. The purpose of this research was to demonstrate selected relationships between single subject (SS) and group analyses and the importance of data reliability (trial size) on results. A computer model was developed and used in conjunction with Monte Carlo procedures to study the effects of sample size (subjects and trials), within- and between-subject variability, and subject… CONTINUE READING

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