Power of the test:统计效能 如此一来,除了效应量(Effect size)不是很清楚外,其它三个都很明显了。那么效应量是什么呢? 直观上讲,也就是说,只要比较的两者有差异,不管有多小,只要我们有足够的样本量,就可以把这种差异在0.05的标准下鉴定出来。反过来说,这样无限增加样本的行为就没什么意义了,因为几乎没有东西...
答案解析: This is the definition of the power of the test: the probability of correctly rejecting the null hypothesis (rejecting the null hypothesis when it is false). 统计:共计47人答过,平均正确率76.59% 问题:进入高顿部落发帖帮助相似题型...
The power of the test is:() A. the probability of rejecting a true null hypothesis. B. equal to the level of significance. C. the probability of rejecting a false null hypothesis. 点击查看答案&解析手机看题 你可能感兴趣的试题 单项选择题 A sample of size n=25 is selected from a normal...
power of a test 一次测试的力量
power of test 检测能力,检定的功效,检定力,检验效能 resolving power test 清晰度测试 Power On Self Test 开机后自我测试(=POST)在激活计算机的时候,测试计算机各部分组件是否正常,以及检查是否有某些重要的周边装置没有接上,以维持计算机的正常运作,这就是所谓的POST。 standard test tone power 标准测试音调功...
power of a test [ˈpauə ɔv ə test] 释义 检验的势
9.8: The Power of a TestCD9-1THE POWER OF A TESTIn the initial discussion of statistical hypothesis testing, the two types of risks that are taken when decisions are made about population parameters based only on sample evidence were defined. Recall from section 9.1 that α represents the ...
power of test 美 英 un.检验的势;检验能力 英汉 un. 1. 检验的势 2. 检验能力
①首先选定t检验:Test family中选定t test ②选定单样本t检验:Statisticaltest中选定Means: Difference from constant (one sample case) ③选定先验计算样本量:Type ofpower analysis中选定A priori: Compute required sample size– given α, power, and effect size(如需计算显著性水平α和检验力β、显著性水平...
2001. The power of tests. A critical perspective on the uses of language tests. Essex: Pearson. E Shohamy 被引量: 130发表: 2001年 The test-takers' choice: an investigation of the effect of topic on language-test performance A fundamental issue in validating topic-based tests of language ...