纽卡斯尔代写论文:人口为样本

2017-09-30 16:17

笔者选择了整个人口为样本。根据Webster（辛格2007：88），一个样本可以被定义为一个统计总体的有限部分，其属性用来估计总体的总体。它可以被定义为从一个更大的人群中选择的一组目标受访者为调查的目的。此外，Tavakoli（2012：471）定义，样本较小的集团，是一个人口的一部分。在收集数据，运用前测和后测。在接受治疗前，对学生的词汇进行预测试。在程序结束时，进行了后测，找出学生在使用图片后的词汇掌握上的差异，并收集数据，确定了基于该材料开发的成绩测试。作者使用了一个测试，其中包括填写空白和安排混乱的信件。测试包括10个项目，测试时间为30分钟。
纽卡斯尔代写论文:人口为样本
The writer chose the entire population as the sample. According to Webster (in Singh 2007: 88) a sample can be defined as a finite part of a statistical population whose properties are used to make estimates about population as a whole. It can be defined a set of target respondents selected from a larger population for the purpose of a survey. In addition, Tavakoli (2012: 471) defines, a sample is the smaller group which is a portion of a population.In collecting the data, the writer used pretest and posttest. The pretest was administered to know the students’ vocabulary before given the treatment. The posttest was given at the end of program to find out the difference of students achievement in vocabulary mastery after the treatment using pictures was given.To collect the data, the writer decided an achievement test that has been developed based on the material. The writer used a test that consisted of fill-in-the-blank and arrange the jumbled letters. The test consisted of 10 items and time provided to do the test was 30 minutes.

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