A cellphone's effect on the brain is very weak, so you lose statistical power with small sample sizes and durations, "said Volkow."
手机对大脑的影响很微弱，因此，仅在短期内对少数人进行研究，在统计学上不具备说服力。
But, when the contribution was 70%, even if PIC was low, less number of varieties could make more than 80% statistical power.
而当总贡献率较高时(如70%)，即使PIC值较低，较少的品种数目也可使候选基因的统计功效超过80%。
Then we discussed principle and implement of statistical power attacks, presenting measurable analysis and experiment result.
讨论了统计功耗攻击的原理和实现，并给出了定量的分析和实验结果。
Previous studies have not had adequate statistical power to measure the effects of exercise training on clinical outcomes.
以前的研究没有充分的统计学证据衡量运动康复治疗的临床效果。
The statistical method is especially useful when prior studies appear to give conflicting results or provide questionable statistical power.
当先前的多个研究结果有冲突或者提供的统计资料有疑问的时候，这种元分析方法就显得特别重要。
The statistical method is especially useful when prior studies appear to give conflicting results or provide questionable statistical power.
当先前的多个研究结果有冲突或者提供的统计资料有疑问的时候，这种元分析方法就显得特别重要。
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