The importance of sample size in research studiesPrabhaker MishraiMedPub
convenience sample D. stratified sample 相关知识点: 试题来源: 解析 B。本题考查市场调研中的样本类型。选项 A“random sample”是随机样本;选项 B“representative sample”是具有代表性的样本,能代表整个总体;选项 C“convenience sample”是便利样本;选项 D“stratified sample”是分层样本。在市场调研中,能代表...
A. the entire population B. a part of the population selected for study C. the data collected D. the method of data collection 相关知识点: 试题来源: 解析 B。本题考查“sample”在市场调研中的含义。选项 A 指的是全体人口,不符合“sample”的定义;选项 B 是从总体中选取的一部分用于研究,这正...
Research on the early development of fundamental cognitive and language capacities has focused almost exclusively on infants from middle-class families, excluding children living in poverty who may experience less cognitive stimulation in the first years of life. Ignoring such differences limits our abilit...
49、r absence.sample: class attendance survey students sometimes miss lectures in university. as part of a research project i am trying to find why this happens. your responses to this questionnaire will be completely anonymous and entirely confidential. it is aimed at determining an overall pictur...
In search of the sample: Recent experiences of a trial team in Orthodontics - ScienceDirect 来自 国家科技图书文献中心 喜欢 0 阅读量: 5 作者:SC A,DB B,PB C,AJ D,DM E,Kevin OBrien f,FL C 摘要: Randomised clinical trials are commonly undertaken in medical and dental research. ...
In a research on the popularity of a new product, which sample is likely to be the most representative? A. Customers who bought the product on the first day. B. A random group of people from different regions. C. Employees of the company that produced the product. D. People who have ...
In the scientific research, the number of cells in Sample A is four times as many as those in Sample B. If there are 20 cells in Sample B, how many cells are there in Sample A? A. 器常场维最素节全给证器常场维最素节全给证5器常场维最素节全给证器常场维最素节全给证 B. 性很...
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Therefore, it is possible that children may have difficulty in evaluating and comparing two samples of evidence rather than being generally insensitive to sample size and sample diversity information. Another possible reason for a mixed pattern of findings in prior research is the presence of ...