what s the difference between probability and non probability sampling 
probability sampling gives researchers the chance to come to stronger conclusions about the entire population that is being studied it involves the use of random sampling which means that all of the participants in the group are equally likely to get a chance to be chosen as a representative sample of the entire population the result is often unbiased non probability sampling on the other hand allows researchers to easily collect information this type of sampling is generally biased as it is unknown which participants will be chosen as a sample the bottom linestatisticians often resort to sampling in order to conduct research when they re dealing with large populations sampling is a technique that involves taking a small number of participants from a much bigger group this is often found when data needs to be collected about the population including statistical analysis population surveys and economic studies 