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Sample size determination

Sample size determination or estimation is the act of choosing the number of observations or replicates to include in a statistical sample. The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample. In practice, the sample size used in a study is usually determined based on the…

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Overview

Introduction

Estimation

Required sample sizes for hypothesis tests

Stratified sample size

Qualitative research

General references

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Sample size determination

Nodes64
Edges63
Triples26
Avg. degree1.97
Density0.03125
Components1

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Sample size determination

Top relations

related to Qualitative research · 14
Sample size determination → If, Imagine, In, It, One, Qualitative, Rather, Sample, Saturation, The, There, This, Thus, Unlike
related to Introduction · 6
Sample size determination → Additionally, Consider, In, Sample, To, We

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Important terminology

sample size power confidence sizes may statistical estimate distribution population displaystyle study using error data mean research number level proportion

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
the desired level of confidenceinstance ofwe need to consider factors0.80text
margin of errorinstance ofwe need to consider factors0.80text
and variability in the responsesinstance ofwe need to consider factors0.80text
expected standard deviations or expected differences in values between groups are unknown or very hard to estimate.All the parameters in the equation are in fact the degrees of freedom of the number of their conceptsinstance ofbut gives a hint of what is the appropriate sample size where parameters0.80text
and henceinstance ofbut gives a hint of what is the appropriate sample size where parameters0.80text
their numbers are subtracted by 1 before insertion into the equation.The equation isinstance ofbut gives a hint of what is the appropriate sample size where parameters0.80text
Sample size determinationrelated to IntroductionSample0.60section
Sample size determinationrelated to IntroductionIn0.60section
Sample size determinationrelated to IntroductionConsider0.60section
Sample size determinationrelated to IntroductionTo0.60section
Sample size determinationrelated to IntroductionWe0.60section
Sample size determinationrelated to IntroductionAdditionally0.60section

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