經安全檢測,此網站為安全網站,請放心前往原始網址!

Sampling: Types of samples - Psychology

The best sampling is probability sampling, because it increases the likelihood of obtaining ... A purposive sample is a non-representative subset of some larger population, and is ... A convenience sample is a matter of taking what you can get .

www.google.com.tw

網址安全性掃描由 google 提供