Krejcie And Morgan 1970 Table Scale
Krejcie and morgan 1970 have produced a table for determining required sample size given a finite population.
Krejcie and morgan 1970 table scale. The krejcie and morgan 1970 table was chosen because. 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 r v morgan d w. The table is applicable to any population of a defined finite size.
607 610 อ างถ งใน ส จ ตรา บณยร ตพ นธ. University the ever increasing demand for research has created a need for an efficient method of determining the sample size needed to be representative of a given population. Sample size estimation using krejcie and morgan and cohen statistical power analysis. Krejcie and morgan s sample size determination table population sample 10 10 15 14 20 19 25 24 30 28 35 32 40 36 45 40 50 44 55 48 60 52 65 56 70 59 75 63 80 66 85 70 90 73 95 76 100 80 110 86 source.
This preview shows page 3 5 out of 5 pages. The ever increasing need for a representative statistical sample in empirical research has created the demand for an effective method of determining sample size. Determining sample size for research activities. Krejcie and morgan s 1970 developed the formulas for determining the sample size for categorical types of data.
Determining sample size for research activities robert v. Determining sample size for research activities. Psycholological measurement 1970.
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. Course title jour 332. Sample size table from the research advisors. Educational and psychological measurement 30 607 610.
This formula is the one used by krejcie morgan in their 1970 article determining sample size for research activities educational and psychological measurement 30 pp.