Probability sampling methods provide every member of the population with an equal chance of selection, ensuring unbiased results. Common probability sampling techniques include:
Nonprobability sampling methods do not provide every member of the population with an equal chance of selection. This approach is often used in exploratory research. Common nonprobability sampling techniques include:
What are Data Collection Methods?
What are Data Analysis Methods?
How to Choose a Research Methodology?
How to Write a Research Methodology?