Methods Convenience sampling and snowball sampling techniques were applied to recruit MSM participants in comnmnity, and every subject was investigated by pelion in-depth interview.

方法在社區(qū)通過"滾雪球"抽樣和方便樣本招募男男性接觸者www.婷婷五月情.com，對其進行個人深入訪談久久久99人妻免费精品区一。

Based on the mutual fund market share of companies in the investment trust industry, quota sampling method was adopted to determine the sample size. The questionnaire survey was conducted with the convenience sampling method, using electronic questionnaires to collect primary data. A total of 423 questionnaires were distributed and 400 effective questionnaires were collected, comprising the effective return rate of 94.56%.

根據(jù)投信公司的基金規(guī)模市場占有率，采用配額抽樣法分配抽樣之樣本數(shù)，每一投信公司依分配之樣本數(shù)以便利抽樣法選取受訪者黄色一级网站视频在线观看，以電子問卷作為搜集初級資料的工具欧美亚洲综合另类国产情拍图，共計發(fā)出問卷423份，回收有效問卷400份鲁鲁在线视频，有效回收率為94.56%在线视频中文字幕日韩精品一区二区。

Then, researcher selected adequate number of classes from every region in Taipei through convenience sampling in order to maintained apposite sampling ratio of population.

研究者參酌區(qū)域的代表性，先以「分層取樣」為原則欧美夜情A级黄片免费看，再以「立意取樣」方式於各區(qū)抽取適當?shù)陌嗉墧?shù)日本wwwwwwwwwwww，并維持適當?shù)哪溉撼闃颖嚷省?/p>

convenience goods：便利財

Control variable 控制變數(shù) | Convenience goods 便利財 | Convenient sampling 方便抽樣法

a marriage of convenience：基于利害關系的婚姻

chilled sampling apparatus 冷凍取樣器 | a marriage of convenience 基于利害關系的婚姻 | penalty cost 虧損