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Unit 4: Selecting a Sample - Coggle Diagram
Unit 4: Selecting a Sample
Quantitative Sampling
: Definition and Purpose
Understanding the concept of quantitative sampling.
Exploring the purpose of sampling in quantitative research.
Ensuring the representativeness of the sample for generalization.
Selecting a Random Sample
Defining random sampling and its advantages.
Exploring different techniques for random sampling
Simple random sampling
Stratified random sampling
Ensuring each unit in the population has an equal chance of being selected.
Determining Sample Size
Understanding the factors influencing sample size determination.
Considering statistical considerations and desired level of precision.
Exploring techniques for calculating sample size
Power analysis
sample size formulas
Selecting a Non-random Sample
Exploring non-random sampling techniques
Convenience sampling
Purposive sampling
Understanding the advantages and limitations of non-random sampling.
Ensuring the relevance and suitability of the selected sample.
Qualitative Sampling
: Definition and Purpose
Understanding the concept of qualitative sampling.
Exploring the purpose of sampling in qualitative research.
Focusing on in-depth understanding and richness of data.