Advantages and Disadvantages of Snowball Sampling. Some study participants may object to using their social networks in this way, and some potential participants may dislike being contacted for participation. Society & Politics. Snowball sampling doesn’t require a research team to hire recruiters for the study since the initial subjects act as the recruiters who bring in additional subjects. Snowball sampling involves getting participants to refer others who could also take part. Snowball sampling helps for this situation as they ask for a reference from people known to each other. A researcher using snowball sampling can keep participants anonymous in published papers but can't keep participants anonymous from each other since participants have to recruit each other. NEED HELP NOW with a homework problem? When individuals are named, it’s sometimes called “cold-calling”, as you are calling out of the blue. Some people may not want to be found. Nick Robinson is a writer, instructor and graduate student. Advantages and disadvantages of sampling Disadvantages of sampling. Pearson FT Press. Ask those subjects to recruit other people (and then ask. This pattern is continued until enough number of subjects are available for the sample. This allows a larger sample size than would be available otherwise. © 2020 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. Snowball sampling is a commonly employed sampling method in qualitative research, used in medical science and in various social sciences, including sociology, political science, anthropology and human geography [1–3].As is typical of terms adopted by a variety of fields, however, the phrase ‘snowball sampling’ is used inconsistently across disciplines []. Need to post a correction? A researcher hoping to survey business executives, for example, might struggle to convince busy CEOs to take the time to fill out a survey. Advantages of Snowball Sampling The chain referral process allows the researcher to reach populations that are difficult to sample when using other sampling methods. CLICK HERE! For example, many sexual assault survivors are reluctant to talk about their experiences and avoid identifying themselves as survivors. Ethically, the study participants should not be asked to identify other potential participants. In this blog you will read about the types and method of snowball sampling along with its advantages and disadvantages. Based on the Word Net lexical database for the English Language. Snowball sampling is low-cost and easy to implement. Rather, the researchers used their own judgment to choose participants. Classroom is the educational resource for people of all ages. Snowball sampling helps for this situation as they ask for a reference from people known to each other. Snowball sampling can be a tricky ethical path to navigate. Comments? 8/28/2019 Snowball Sampling: Definition, Method, Advantages and Disadvantages | QuestionPro 2/10 rare to ±nd. Levine, D. (2014). The process is cheap, simple and cost-efficient. Snowball sampling is defined as a non-probability sampling technique in which the samples have traits that are rare to find. With Chegg Study, you can get step-by-step solutions to your questions from an expert in the field. Anonymous answered . The process is cheap, simple and cost-efficient. Introduction. Need help with a homework or test question? If you're interested in researching a specific group of people, like restaurant managers or crime victims, you need to recruit participants for your study. Everitt, B. S.; Skrondal, A. It doesn’t have the probability involved, with say, simple random sampling (where the odds are the same for any particular participant being chosen). (n.d.). Linear Snowball Sampling:The formation of a sample group starts with one individual subject providing information about just one other subject and then the chain continues with only one referral from one subject. Advantages and disadvantages of systematic sampling. Calling or mailing letters to random people in the phone book would take ages, since most people you contact won't meet your criteria. Exponential Non-Discriminative Snowball Sampling:In this type, the first subject is recruited and then he/she provides multiple refe… In sociology and statistics research, snowball sampling (or chain sampling, chain-referral sampling, referral sampling) is a nonprobability sampling technique where existing study subjects recruit future subjects from among their acquaintances. Multi stage sampling. This is a sampling technique, in which existing subjects provide referrals to recruit samples required for a research study. In Hawaii.edu. For example, if a researcher intends to understand the difficulties faced by HIV patients, other sampling methods will not be able to provide these sensitive samples. As a result, the technique can result in biased samples. Snowball sampling may help you discover characteristics about a population that you weren’t aware existed. Quota sampling: This method is relatively fast, easy to administer, cost effective, and considers population proportions. For example, it would be easier to cold-call participants in a study for families who regularly dine at fast-food restaurants than it would be to cold-call people who are having extra-marital affairs. Your first 30 minutes with a Chegg tutor is free! There are also several disadvantages to using snowball sampling, including: Whether you’re studying times tables or applying to college, Classroom has the answers. See disclaimer. Similarly, a sexual assault survivor's social network might be limited to a single geographic area, making it impossible for the researcher to generalize study results to the entire nation. In the CEO study, for example, if the first participant recruited happens to work in manufacturing, most of her CEO contacts are likely to also come from the manufacturing sector. Even You Can Learn Statistics and Analytics: An Easy to Understand Guide to Statistics and Analytics 3rd Edition. Thus the sample group is said to grow like a rolling snowball. This sampling technique needs little planning and fewer workforce compared to other sampling … It can, however, result in an inaccurate representation of the population due to selection bias. However, other study participants would likely know other people in the same situation as themselves and could inform others about the benefits of the study and reassure them of confidentiality. (2010), The Cambridge Dictionary of Statistics, Cambridge University Press. The solution is snowball sampling, a practice in which a small group of initial participants help researchers find more participants by accessing their social networks. For example, if a researcher intends to understand the difficulties faced by HIV patients, other sampling methods will not be able to provide these sensitive samples. Snowball sampling is also known as cold-calling, chain sampling, chain-referral sampling, and referral sampling.

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