淮师英语测试期末考试资料.doc

淮师英语测试期末考试资料
Test specifications
It refers to a set of documents to guide us in test refers to test purpose,test domain,test takers,test content,test method,test tasks and item types,anization and weighting,time duration,scoring criteria,test administration and test development chart.
测试规范是指用来指导我们测试开发的一套文件。它指的是测试目的,测试区域,测试者,测试内容,测试方法,测试任务和项目类型,试卷结构和各项目分值,时长,评分标准,测试管理和测试开发的图表。
Descriptive statistics and inferential statistics
Descriptive statistics is the discipline of quantitatively describing the main features of a collection of information,or the quantitative description statistics provides simple summaries about the sample and about observations that have been made.
描述性统计是定量描述的主要特色的学科信息的集合,或定量描述本身。描述性统计提供了关于样品的简单总结和观察。
Statistical inference is the process of deducing properties of an underlying distribution by analysis of aims to use the data to learn about the population that the sample of data is thought to statistics analysis infers properties about a population:this includes testing hypotheses and deriving estimates.
统计推断是通过分析数据对一个潜在分布的特性进行推导的过程。它旨在使用数据来了解被认为具有代表性的人口数据的样本。推论统计学分析推断属性对人口:这包括测试假设和推导估计。
Spearman-Brown prophecy formula
It yields a split - half reliability coefficient.
Where rhh’ is the obtained correlation between the two halves of the test. Two assumptions must be met in order to use this method. First, they have equal means and ,two halves are experimentally independent of each other.
斯皮尔曼预言公式产生了分半信度系数。在rhh’得到的相关的测试之间的两半。两个假设必须满足使用这个方法。首先,他们具有相同的均值和方差。二,两部分实验相互独立。
petence
It is the sensitivity to, or control of the conventions of language use that are determined by the features of the specific language use context; it enables us to perform language functions in ways that are appropriate to that context.
This includes sensitivity to differences in dialect or variety, to differences in register and to naturalness, and the ability to interp