Review for TEST Unit 1 Sampling and Data Collection

Front

What is stratified sampling?

Back

Sampling technique where the population is divided into homogeneous subgroups (strata) and a random sample is taken from each stratum.

Front

What is convenience sampling?

Back

Non-probability sampling technique based on easy accessibility or availability of participants.

Front

What type of sample often leads to biased studies?

Back

Convenience sample.

Front

What is a random sample?

Back

A sample where each member of the population has an equal chance of being selected.

Front

What is a systematic sample?

Back

A sampling method where members are selected at regular intervals from a randomly ordered list.

Front

What is a cluster sample?

Back

A sampling technique where the population is divided into clusters, and entire clusters are randomly selected.

Front

What is the purpose of stratified sampling?

Back

To ensure representation from different segments of the population.

Front

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

Back

Probability sampling involves random selection, while non-probability sampling does not.

Front

What is a simple random sample?

Back

A sample where every possible sample of a given size has the same chance of being selected.

Front

What is the main disadvantage of convenience sampling?

Back

It can lead to biased results due to the non-random selection of participants.