Results Obtain the estimates of treatment effect, time period effect, sequence effect and individual variation separately.

结果分别获得处理效应、阶段效应、顺序效应以及个体变异的估计。

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Over a shorter period the effect can be even less.

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Afraid that grantees like DC would reap the benefit of these 19 years without fair compensation to authors, Congress included a termination right, allowing authors to take back the rights in their works before the extended period took effect.

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The final regulations are expected to be adopted in November following a public comment period and take effect next year.

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