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2022-01-13
TYPES OF INTENTIONAL SAMPLING ASSIGNMENT HELP UK
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Purposive sampling is a research method in which the researcher builds a sampling frame based on his project. The word "purposeful" here means a sample is used to show an idea, goal, or purpose. It also wishes that the model is a perfect match for a population based on similar traits. Most of the time, the researcher uses purposive sampling and other methods, like focus groups, observations, and interviews, that don't rely on chance. Instead of randomly picking samples from a group, representatives are chosen based on specific criteria in these situations.(Assignment Help UK)
This kind of sampling can also be used with probability methods like polls and surveys, where randomization is impossible or not wanted. With the help of purposive sampling, you can sometimes get quick answers to general questions, but you can't draw conclusions that can be used for a larger group. Purposeful sampling is also called judgmental sampling because people decide what kind of people and how many people will be in the sample.
Types of sampling with a goal
Researchers often use this method to get interpretive and qualitative results from descriptive research that they can't get from statistical or quantitative methods. But you can't say that this is the best way to use purposive sampling; it just recognizes that these are possible uses. There are many different kinds of selection for a specific purpose.
Convenience
In this sample, people or things are easy to find when the researchers need them. There are a lot of similarities between the people in convenience samples, like their age, religion, race, etc. When using this method to do research, make sure there are enough people from the target group who are willing to take part.(Assignment Help UK)
Snowball
When you ask people to suggest others interested in your survey, these are called "snowball samples." This method is quite helpful for the target population because, at times, it is difficult to define or comprehend as many hidden members who cannot be revealed through standard research methods. But you have to be careful when looking at your snowball samples. Remember, you should only replace this form of sampling with this method because it increases the chances of sampling bias.
Opportunity
Here the participants are chosen because they are readily available, cheap to recruit, and easy to work with. For instance, if you want to study the behaviour of consumers on social media, it would make sense to choose Facebook as your initial purposive sample. Again, this is cheap/easy to use and will provide you with a list of potential customers based on their demographic details. The same goes for researching university graduates looking for opportunities to begin their careers; it might be easier for you to find them on social media platforms like LinkedIn.(Assignment Help UK)
Problems associated with this method
There are many problems associated with this approach; some of them are
Self selection bias occurs when participants influence the characteristics of the whole sample. This might lead to observed relationships where results are biased due to systematic differences between those who wish to participate in the study and those who did not.
Response error takes place when the sample population needs to represent those who wish to participate in the study accurately.
Sample inhomogeneity also falls under this category of issues, where the sample you constructed particularly for your study cannot be assumed to reflect the opinions and behaviours of the wider population.(Assignment Help UK)
Suppose you do not have enough resources, money, or time for your study. In that case, purposive sampling is not the most effective technique for obtaining a representative sample due to limited generalizability. Instead, you can use random sampling methods, with randomly selected participants to reflect all population members.
It is essential to consider every factor when deciding upon a data collection method for your research project. If you face any difficulties with your research projects or assignments, please get in touch with our online assignment writing services for professional help and guidance.(Assignment Help UK)
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