Sampling Methods and Bias

Front

What is a sampling method?

Back

A sampling method is a technique used to select individuals or groups from a larger population to participate in a study or survey.

Front

What is the difference between random sampling and non-random sampling?

Back

Random sampling involves selecting individuals from a population in such a way that each individual has an equal chance of being chosen, while non-random sampling does not give all individuals an equal chance.

Tags

CCSS.HSS.IC.B.3

Front

What is cluster sampling?

Back

Cluster sampling is a sampling method where the population is divided into groups (clusters), and entire clusters are randomly selected for the survey.

Tags

CCSS.HSS.IC.B.3

Front

What is stratified sampling?

Back

Stratified sampling is a method where the population is divided into subgroups (strata) based on shared characteristics, and random samples are taken from each stratum.

Tags

CCSS.HSS.IC.B.3

Front

What is bias in sampling?

Back

Bias in sampling refers to systematic errors that lead to an unrepresentative sample, affecting the validity of the study's conclusions.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is the population in a study?

Back

The population is the entire group of individuals or instances about whom we hope to learn through our study.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a sample?

Back

A sample is a subset of individuals selected from a larger population, used to make inferences about the population.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is the purpose of using random sampling?

Back

The purpose of using random sampling is to ensure that the sample is representative of the population, reducing bias and allowing for generalization of results.

Tags

CCSS.HSS.IC.B.3

Front

What is convenience sampling?

Back

Convenience sampling is a non-random sampling method where individuals are selected based on their easy availability and proximity to the researcher.

Tags

CCSS.HSS.IC.B.3

Front

What is systematic sampling?

Back

Systematic sampling is a method where individuals are selected from a population at regular intervals, such as every nth individual.

Tags

CCSS.HSS.IC.B.3