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Research Errors: Selection Bias & Sampling Methods

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Questions and Answers

What is crucial in descriptive research when investigating the prevalence of a disease in a population?

A minor deviation from a representative sample

Convenience sampling

A large sample size

A perfectly representative sample (correct)

What is the recommended approach to sampling in any research design?

Systematic sampling

Convenience sampling

Avoid convenience sampling (correct)

Minor deviations from a representative sample

What is the primary concern in analytic research when it comes to sampling?

Minor deviations from a representative sample

Random error

Selection bias (correct)

Systematic error

What is the primary goal of descriptive research?

To describe a population Signup and view all the answers

What is the term for errors that affect the same direction of the true value?

Systematic error Signup and view all the answers

What is the benefit of having a large sample size?

Reduces random error Signup and view all the answers

What is the primary limitation of convenience sampling?

It is prone to selection bias Signup and view all the answers

What is the term for errors that occur by chance?

Random error Signup and view all the answers

What is the primary goal of analytic research?

To establish a cause-and-effect relationship Signup and view all the answers

What is the term for the error that occurs when the sample is not representative of the population?

Selection bias Signup and view all the answers

What is the primary advantage of a perfectly representative sample?

It ensures generalizability Signup and view all the answers