ERIC Number: EJ307769
Record Type: CIJE
Publication Date: 1984
Reference Count: 0
Planning Educational Research: Determining the Necessary Sample Size.
Olejnik, Stephen F.
Journal of Experimental Education, v53 n1 p40-48 Fall 1984
This paper discusses the sample size problem and four factors affecting its solution: significance level, statistical power, analysis procedure, and effect size. The interrelationship between these factors is discussed and demonstrated by calculating minimal sample size requirements for a variety of research conditions. (Author)
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Authoring Institution: N/A