# Sampling Method The patients included in the study cited in Exercise 1 were those “who sought care for low-back pain directly or in response to a community advertisement.” What type of sampling best describes the way in which the 1643 subjects were chosen: simple random sample, systematic sample, convenience sample, stratified sample, cluster sample? Does the method of sampling appear to adversely affect the quality of the results?

Question
16 views

Sampling Method The patients included in the study cited in Exercise 1 were those “who sought care for low-back pain directly or in response to a community advertisement.” What type of sampling best describes the way in which the 1643 subjects were chosen: simple random sample, systematic sample, convenience sample, stratified sample, cluster sample? Does the method of sampling appear to adversely affect the quality of the results?

check_circle

Step 1

Simple random sampling:

If a sample of n subjects is selected, then every unit in the population has an equal chance of being selected into the considered sample. Then, it is termed as simple random sampling.

Step 2

Systematic sampling:

Systematic sampling involves first considering a starting point for selecting the sample and then selects every  unit in the population.

Convenience sampling:

The convenience sample is taken using subjects that are easily available to be considered into the sample.

Stratified sampling:

In stratified sampling, the whole population is divided into two or more different subgroups, b...

### Want to see the full answer?

See Solution

#### Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in