Black Sea Journal of Engineering and Science

Yazarlar: Aysel YENİPINAR, Şeyma KOÇ, Demet ÇANGA, Fahrettin KAYA

Konular:Mühendislik

Anahtar Kelimeler:SampelSize Determination,G-Power,Logistic regression

Özet: There are several methods used to determine the sample size. Investigator; because of the insufficient precious resources such as time, labor, money, tools and equipment, it works by pulling the sample with a suitable sampling method from the population it is examining. According to the statistics obtained from the sample, he will make comments about the population and make decisions. The correctness of the decisions made is closely related to the size of the sample. For this reason, the problem of determining sample size is one of the first and important problems of an investigator. A small sample of information causes loss of information and misjudgments. A very large sample is contrary to the purpose of sampling and resources are wasted. The calculation of the sample size can now be done very easily via free programs.

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