Sample Size Quantitative Research
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Sample Size Quantitative Research. Very small samples undermine the internal and external validity of a study. Usually, researchers regard 100 participants as the minimum sample size when the population is large.
Sample size refers to the number of participants or observations included in a study.
Generally, the sample sizes used in qualitative research are not justified (marshall et al, 2013) even though researchers are. Usually, researchers regard 100 participants as the minimum sample size when the population is large. Generally, the sample sizes used in qualitative research are not justified (marshall et al, 2013) even though researchers are. It has previously been recommended that qualitative studies require a minimum sample size of at least 12 to reach data saturation (clarke & .