美 英 un.定额抽样;按比例抽样 网络配额抽样;配额抽样的原则
quota sampling配额抽样 sampling quota定额抽样 allocated quota分摊配额,分配的配额,分配配额 customs quota海关配额 unilateral quota单方规定配额 由进口国出口国单方面对一定时期内某种进口商品或出口商品事先规定的配额。这种配额不受国际协议的约束,一国可根据对外政治与经济关系的变化自行调整额度。
Related to quota sampling:stratified sampling,Snowball sampling,Convenience Sampling n (Marketing)marketinga method of conducting market research in which the sample is selected according to a quota-system based on such factors as age, sex, social class, etc ...
Quota sampling has unique characteristics that distinguish it from othersampling methods. These attributes make it a valuable approach for researchers looking to gain insights into specific groups within a population. Below, we highlight the most notable characteristics of quota sampling: Aims to get t...
quota sampling调查某些有指示的东西或者某些有规定比例的东西。所以可能不会那么准确，先分层再按事先定好的配额或者按指定的种类去抽样，这个方法简单但是有很大误差。stratified sampling 应该说最常用的方法在统计里。先将样本分组例如高一是一组，高二是一组，高三是一组，然后再从各高一高二高三抽样组成...
1)简单抽样(Simple sampling) 简单随机抽样(simple random sampling)又称纯随机抽样,是概率抽样的最基本形式。 它是按等概率原则直接从含有N个元素的总体中随机抽取n个元素组成样本(N>n)。 常用的办法类似于抽签,即把总体的每一个单位都编号,将这些号码写在一张张小纸条上,然后放入一容器(如纸盒、口袋)中,搅拌...
1) quota-sampling 定量进样 1. Objective To improvequota-samplingprecision and reproducibility of the impedance blood rheometer. 目的:改进电阻抗血液流变仪定量进样的精确度和重复性。 2) Micro-sampling 微量进样 1. Determination of Zn in Blood Corpuscle and Plasma by Flame Atomic Absorption Spectrophot...
quota sampling noun marketinga method of conducting marketing research in which the sample is selected according to a quota-system based on such factors as age, sex, social class, etc Word of the Day July 27, 2024 vapid [vap-id ]
The Quota sampling technique which is a non-probability sampling technique is used in this research. DOES THE HEDONIC RISK APPEAL IN ADVERTISING, EFFECT CONSUMER BEHAVIOUR? The details of quota sampling from each section and time period is as follows; The Civilizational Rift and the Idea of the...
Quota Sampling A Dictionary of Epidemiology (6 ed.) Miquel Porta Publisher: Oxford University Press Print Publication Date: 2014 Print ISBN-13: 9780199976720 Published online: 2016 Current Online Version: 2016 eISBN: 9780199390069 Find at OUP.com...