Krejcie And Morgan 1970 Sample Size Table
Determining sample size for research activities.
Krejcie and morgan 1970 sample size table. Sample size estimation using krejcie and morgan and cohen statistical power analysis. University the ever increasing demand for research has created a need for an efficient method of. Krejcie and morgan 1970 have produced a table for determining required sample size given a finite population. Krejcie and daryle w.
Educational and psychological measurement 1970 30. However it is important for a researcher to consider whether the sample size is adequate to provide enough accuracy to base decisions on the findings with confidence. 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 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.
The table is applicable to any population of a defined finite size. 3 607 610 download citation. Determining sample size for research activities robert v. To address the existing gap krejcie morgan 1970 came up with a table for determining sample size for a given population for easy reference.
Educational and psychological measurement 30 607 610. Based on krejcie and morgan s 1970 table for determining sample size for a given population of 500 a sample size of 217 would be needed to represent a crosssection of the population. Krejcie robert v morgan daryle w in educational and psychological measurement. Determining sample size for research activities.
Sample size table from the research advisors. Krejcie university of minnesota duluth daryle w. Adapted from krejcie and morgan 1970 3 4 1 exclusion criteria. A note on how to choose the sample size for horvitz thompson estimation.