查询词典 null hypothesis

Whenever we reject the null hypothesis, the conclusion we do accept is called the alternative hypothesis

无论何时，拒绝无效假设时，我们所接受的结论叫做备择假设。这本书的最后是概要和结论。

Paired t- tests were performed to investigate the significance of these differences between the SSG and the CIST, where the null hypothesis in each test was that the mean COVs were equal and the alternative hypothesis was that they were not equal.

成对t 检查则调查的意义，这些分歧的特殊保障和中科院，那里虚无假设在每次测试的是平均covs都是平等和替代假设是，他们不是平等的。

Relationship between null and alternative hypothesis; Level of significance; typical steps of hypothesis test, two type errors, critical values.

教学目的：通过学习领会统计假设测验即统计推断的原理及其基本步骤，统计假设测验的两类错误及其关系。

We would like to reject h0 recall that in statistical hypothesis testing rejection of null hypothesis is always a strong conclusion

我们想要否定h0(取消对统计的假设中无效力假设的测试否定一直是一个强大的结论)。

See criticism of hypothesis testing and controversy over the null hypothesis .

见批评假设检验和争议的零假设。

We would like to reject H0 (recall that in statistical hypothesis testing rejection of Null hypothesis is always a strong conclusion),thereby demonstrating that the process is capable.

我们想要否定H0(取消对统计的假设中无效力假设的测试否定一直是一个强的结论)。因此，示范加工是有能力的。

This paper points out the problems about using statistical hypothesis test, analyses the relation between two types of errors and proposes the Bayes method to the persons when they have no enough knowledge about the null hypothesis.

本文首先指出实际工作中使用统计假设检验方法常出现的问题，具体介绍了假设检验方法，并分析两种错误之间的关系。

This paper starts with the Naroll-Bertalanffy's hypothesis of the allometric growth of urban-rural population, namely and Sherratt's model about the distribution of urban population density, which are both based on the Christaller-l o ··sch's central place hypothesis and the hypothesis of supposing the regional population movement on the ideal land surface is similar to Brownian movement process.

基于中心地假设，从城市人口分布的Sherratt模型和Naroll Bertalanffy的城乡人口异速生长关系出发导出关于人口分布空间动力学和城市扩展时空过程的数学模型，然后借助Batty等关于城市生长的DLA -DBM模拟结果证明人口的区位选择过程与城市的分形形态存在着内在关系。

The presence of flight feathers on the hindlimbs is inconsistent with the cursorial hypothesis, the Jesus-Christ hypothesis, and the wing-assisted incline running hypothesis; in these scenarios, such a specialization would serve no purpose, and would impede locomotion.

在场的飞羽对后肢不符合cursorial假说，耶稣-基督的假说，以及议员的协助下倾斜运行的假说；在这些情况下，这样的专业化服务，没有目的，并会妨碍运动。

Part One is an introduction focusing on the background,the significance and the purpose of the present study.Part two provides a brief overview of a theoretical review on the nature of reading process,a brief review of 3 traditional methods of teaching in reading and research on TBLT in china and abroad.Part three introduces Constructivism,Krashen"s "Input and Interactionist Hypothesis" and The affective filter hypothesis,which construct a theoretical frame for the study.Part four provides the application of TBLT to teaching reading in senior middle school,mainly including fundamental principles,types of the reading task design and finally introducing the design of TBLT models in senior high school according to Willis"task-implementing model in teaching.Part five elaborates the experiment itself,mainly including the hypothesis of the present study,the procedures of the experiments and questionnaires.Part six is data collection and analyses.The result of the experiment shows that TBLT is more effective than traditional method in senior middle school English reading.Part seven draws a conclusion to the study.Implications as well as limitations are discussed here.

陈述了目前研究的背景，意义和目的；第二部分为文献综述，介绍三种阅读模式，以往阅读课所用的传统教法及其局限性；任务的定义，国内外对任务型教学的研究；第三部分为任务型教学的理论基础，介绍了构建主义理论，克拉申的输入假设理论，情感过滤假设；第四部分探讨了任务型教学在高中英语阅读教学的具体应用，包括阅读课设计的原则，类型，以及根据Willis的教学模式所设计的高中英语阅读教学模式；第五部分为实验部分，包括本研究的假设、实验方法、实验过程、测量工具等；第六部分数据收集和分析，结果表明：任务型教学提高英语阅读教学成绩比传统的教法有效；第七部分是本研究的结论，本研究对外语阅读教学的启示及本研究的局限性。

Core, self psychology is psychoanalytic, but there are crucial differences in how the patient-therapist relationship is viewed.

自体心理学的核心是精神分析，但在如何看待患者-治疗师关系方面，自体心理学和精神分析有着根本性的不同。

High-performance cars brake drum production costs increase less than 10%.

高性能汽车刹车鼓的生产成本增加小于10％。