Krejcie And Morgan Sample Size Determination Table
To address the existing gap krejcie morgan 1970 came up with a table for determining sample size for a given population for easy reference.
Krejcie and morgan sample size determination table. Educational and psychological measurement 30 607 610. These formulas for determining the sample size provide identical sample sizes in cases where the researcher adjusts the tabulated value based on the size of the population which should be less than or equal to 120. The ever increasing need for a representative statistical sample in empirical research has created the demand for an effective method of determining sample size. Krejcie and daryle w.
Educational and psychological measurement 1970 30. Sample size estimation using krejcie and morgan and cohen statistical power analysis. So the researcher does not need to make the study on each of the sample. Krejcie robert v morgan daryle w in educational and psychological measurement.
Determining sample size for research activities. Sample size table from the research. Determining sample size for research activities. As for example if the population have 2800 person by referring to the table researcher just need to get a feedback from 338 person.
Krejcie r v morgan d w. Concise table of three place probabilities of the symmetric binomial cumulative distribution fo. Krejcie and morgan s 1970 developed the formulas for determining the sample size for categorical types of data.