Question

Why are convenience samples ill advised?

   Why are convenience samples ill advised?

Statistics Informed Decisions Using Data

Statistics Informed Decisions Using Data

Michael Sullivan III 4th Edition

Chapter 1, Problem 3

Instant Answer

Solved by Expert Harsh Gadhiya

10/29/2020

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This means that the sample is not randomly selected, but rather based on the convenience of the researchers. Show more…

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Why are convenience samples ill advised?

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Key Concepts

Convenience Sampling

Convenience sampling is a non-probability sampling method where data is collected from a population that is easily accessible to the researcher. While it offers ease and speed in data collection, it is not systematic and tends to capture only a subset of the population, potentially missing out on important diversity and variability found in the overall population.

Selection Bias

Selection bias occurs when the sample collected does not accurately represent the population intended to be analyzed, resulting in systematic discrepancies between the sample and the population. Convenience samples are prone to selection bias because they often include respondents who are more readily available, which can skew the results of the study and lead to misleading conclusions.

Generalizability

Generalizability refers to the extent to which the findings from a sample can be applied to the broader population. Due to the inherent biases in convenience sampling, the results obtained are usually not representative of the entire population, significantly limiting the ability to generalize the study's findings to a larger group.

Validity

Validity in research refers to the accuracy and truthfulness of the findings. When a sample is not representative, as is common with convenience sampling, the external validity of the study—that is, its applicability to other contexts or populations—is compromised. This undermines the confidence in the conclusions drawn from the data.

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