The difference between probability and non-probability sampling are discussed in detail in this article. In probability sampling, the sampler chooses the representative to be part of the sample randomly, whereas in nonprobability sampling, the subject is chosen arbitrarily, to belong to the sample by the researcher.
Sampling Methods (Techniques) - Types of Sampling Methods and Examples
What is probability sampling: Types & examples
Part I: Sampling, Data Collection, & Analysis in Quantitative
Comparing Probability and Non-Probability Sampling Techniques
Comparing Probability and Non-Probability Sampling Methods
Probability and Non-Probability Samples - GeoPoll
Sampling Methods (Techniques) - Types of Sampling Methods and Examples
Understanding Probability vs. Non-Probability Sampling
Sampling Methods Types, Techniques & Examples
Non-Probability Sampling Methods Explained
Power of Bayesian Statistics & Probability