Descriptor
Data Collection | 1 |
Research Methodology | 1 |
Sampling | 1 |
Statistical Analysis | 1 |
Statistical Studies | 1 |
Statistical Surveys | 1 |
Source
Educ Psychol Meas | 1 |
Publication Type
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Krejcie, Robert V.; Morgan, Daryle W. – Educ Psychol Meas, 1970
A formula for determining sample size, which originally appeared in 1960, has lacked a table for easy reference. This article supplies a graph of the function and a table of values which permits easy determination of the size of sample needed to be representative of a given population. (DG)
Descriptors: Data Collection, Research Methodology, Sampling, Statistical Analysis