The demerits of Sampling include ________.a)It is expensive and time c...
The demerits of Sampling include: It is subjected to errors since maybe a particular sample does not represent the whole population accurately, which will give us false results.
The demerits of Sampling include ________.a)It is expensive and time c...
Demerits of Sampling
Sampling is a statistical technique used to gather information or data about a population by selecting a subset, or sample, of individuals from that population. While sampling is a valuable tool for researchers, it also has its drawbacks. The demerits of sampling include:
1. Sampling Error:
Sampling error refers to the difference between the characteristics of a sample and the characteristics of the population from which it is drawn. It is the most common and significant demerit of sampling. Sampling error occurs due to the random selection of individuals in a sample, which may not accurately represent the entire population. As a result, the conclusions drawn from the sample may not be entirely accurate or reliable.
2. Bias:
Sampling bias occurs when a sample is not representative of the population, leading to inaccurate results. It can arise due to various factors such as non-response bias, selection bias, or measurement bias. Non-response bias occurs when certain individuals in the population do not participate in the survey, leading to a biased sample. Selection bias occurs when the sampling method itself introduces bias, such as using convenience sampling instead of random sampling. Measurement bias occurs when there are errors in the measurement instruments or techniques used.
3. Limited Generalizability:
Another demerit of sampling is that the findings from a sample may not be applicable to the entire population. While sampling aims to provide insights into the population, the limited sample size and specific characteristics of the sample may limit the generalizability of the results. This can be particularly problematic when dealing with diverse populations or when the sample does not adequately represent the target population.
4. Cost and Time Constraints:
Sampling can be an expensive and time-consuming process. It requires resources such as manpower, equipment, and sometimes incentives to encourage participation. The process of selecting, recruiting, and collecting data from the sample can be time-consuming, especially when the target population is large or geographically dispersed.
In conclusion, while sampling is a useful technique for gathering information, it is not without its demerits. Sampling error, bias, limited generalizability, and cost and time constraints are some of the drawbacks associated with sampling. Researchers need to carefully consider these limitations and take steps to minimize their impact when using sampling as a research method.
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