Sampling Methods and Sampling Bias

Front

What is a Stratified Random Sample?

Back

A sampling method where the population is divided into subgroups (strata) and random samples are taken from each stratum.

Front

Define Population in the context of sampling.

Back

A large group that includes everything being studied.

Front

What is Undercoverage in sampling?

Back

A source of bias where some groups of the population are left out of the selection process.

Front

What is Convenience Sampling?

Back

A sampling method where individuals are selected based on their easy availability and proximity to the researcher.

Front

Identify the type of sampling used: A teacher uses an RNG to select 10 students from each period.

Back

Stratified Random Sample.

Front

Identify the type of sampling used: A survey is conducted with the first 30 students who enter a classroom.

Back

Convenience Sampling.

Front

What is a Biased Sample?

Back

A sample that does not accurately represent the population, leading to skewed results.

Front

What is Systematic Random Sampling?

Back

A sampling method where every nth individual is selected from a list or queue.

Front

What is Voluntary Response Sampling?

Back

A sampling method where individuals choose to participate, often leading to bias.

Front

What is Response Bias?

Back

A source of bias that occurs when respondents provide inaccurate answers due to various factors.