Simple random sampling can involve the units being selected either with or … Sampling for the experimental class and the control class used a simple random sampling technique, namely taking random sample members without regard to the strata in the sample population. There are numerous ways of getting a sample, but here are the most commonly used sampling methods: 1. Random Sampling. Probability Sampling – In this sampling method the probability of each item in the universe to get selected for research is the same. 2. It is also called probability sampling.The counterpart of this sampling is Non-probability sampling or Non-random sampling. Random sampling is a method of choosing a sample of observations from a population to make assumptions about the population. Basic Sampling Techniques. Types of Probability Sampling Methods. Hence the sample collected through this method is totally random in nature. It is a fair method of sampling, and if applied appropriately, it helps to reduce any bias involved compared to any other sampling method involved. The primary types of this sampling are simple random sampling, stratified sampling, cluster sampling, and multistage sampling. Random sampling is designed to be a representation of a community or demographic, but there is no guarantee that the data collected is reflective of the community on average. Random sampling refers to a variety of selection techniques in which sample members are selected by chance, but with a known probability of selection. Simple random sampling: One of the best probability sampling techniques that helps in saving time and resources, is the Simple Random Sampling method. Since it involves a large sample frame, it is usually easy to pick a smaller sample size from the existing larger population. Stratified Sampling Simple random is a fully random technique of selecting subjects. Sampling methods can be categorised into two types of sampling:. It is also the most popular way of a selecting a sample because it creates samples that are very highly representative of the population. This is the purest and the clearest probability sampling design and strategy. One possible method of selecting a simple random sample is to number each unit on the sampling frame sequentially and make the selections by generating numbers from a random number generator. The purest form of sampling under the probability approach, random sampling provides equal chances of being picked for each member of the target population. It is a reliable method of obtaining information where every single member of a population is chosen randomly, merely by chance. Simple Random Sampling. Advantages of simple random sampling.