方差分析中的元和因素 试验中要考察的指标称为 试验指标 ，影响 试验指标的条件称为因素 ，因素所处的状态称为 水平 (通常用于3个或更多水平时；如果只有2个水平考虑 T-test);若试验中只有一个因素 改变则称为 单因素试验，若有两 ...

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A research team led by Prof. Guo-Yong Xiang and Prof. Wei Yi from the University of Science and Technology of China (USTC) of ...

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Not every day does “time” get into misbehavior, but in a new experiment, photons passing through a fog of ultracold rubidium-85 atoms were shown to spend a negative duration in an excited atomic state ...

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Small Medium Enterprise, Tangible Resources, Product Innovation Performance, Innovation, SME’s Age Share and Cite: Bakar, L. (2025) The Age-Resource Dynamic and Product Innovation Performance. Open ...

The PSAT serves as practical training for the SAT. High achievers can qualify for scholarship money. Free study resources are available online. Students who plan to take the SAT as part of their ...

As a former claims handler and fraud investigator, Jason Metz has worked on a multitude of complex and multifaceted claims. The insurance industry can be seemingly opaque, and Jason enjoys breaking ...

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