Determining sample size for research activities
RV Krejcie, DW Morgan�- Educational and psychological�…, 1970 - journals.sagepub.com
RV Krejcie, DW Morgan
Educational and psychological measurement, 1970•journals.sagepub.comNo calculations are needed to use Table 1. For example, one may wish to know the sample
size required to be representative of the opinions of 9000 high school teachers relative to
merit pay, increases. To obtain the required sample size enter Table 1 at N= 9000. The
sample size representative of the teachers in this example is 368. Table 1 is applicable to
any defined population. desired confidence level (3.841). mould provide the maximum
sample size).
size required to be representative of the opinions of 9000 high school teachers relative to
merit pay, increases. To obtain the required sample size enter Table 1 at N= 9000. The
sample size representative of the teachers in this example is 368. Table 1 is applicable to
any defined population. desired confidence level (3.841). mould provide the maximum
sample size).
No calculations are needed to use Table 1. For example, one may wish to know the sample size required to be representative of the opinions of 9000 high school teachers relative to merit pay, increases. To obtain the required sample size enter Table 1 at N= 9000. The sample size representative of the teachers in this example is 368. Table 1 is applicable to any defined population. desired confidence level (3.841). mould provide the maximum sample size).
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