Krejcie And Morgan Sample Size Determination Table
Sample size estimation using krejcie and morgan and cohen statistical power analysis.
Krejcie and morgan sample size determination table. The sample size determination table 3 0 is derivative from the sample size calculation which expressed as below. The krejcie and morgan table help the researcher to determine the sample size. The main objective of this study is. Determining sample size for research activities.
Tables for determining the sufficient sample size were given as adapted from krejcie and morgan 1970 and bartlett et al 2001. Microsoft word krejcie doc author. 10 10 220 140 1200 291 15 14 230 144 1300 297 20 19 240 148 1400 302 25 24 250 152 1500 306. As for example if the population have 2800 person by referring to the table researcher just need to get a feedback from 338 person.
The ever increasing need for a representative statistical sample in empirical research has created the demand for an effective method of determining sample size. 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. Table for determining sample size from a given population n s n s n s. One of the most used method is the krejcie and morgan sampling method.
Krejcie robert v morgan daryle w in educational and psychological measurement. To simplify the process of determining the sample size for a finite population krejcie morgan 1970 came up with a table using sample size formula for finite population. Sample size table from the research. So the researcher does not need to make the study on each of the sample.
Educational and psychological measurement 1970 30. The sample size representative of the farmers in this study is 32. Determining sample size for research activities. It is determine based on the krejcie and morgan s sample size calculation which same as using the krejcie and morgan s sample size determination table.