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. Author manuscript; available in PMC: 2021 May 6.
Published in final edited form as: Annu Int Conf IEEE Eng Med Biol Soc. 2011;2011:7541–7544. doi: 10.1109/IEMBS.2011.6091859

Fig. 4. Value of Blocking.

Fig. 4.

Block analysis for all experiments shows a high degree of day to day variability in mean threshold levels for all experiments. Unaccounted for, this variance can negatively affect data analysis requiring a larger number of replicates to achieve significance.