# Sampling Methods

SharperKeytar
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## 22 Questions

### What is the primary reason to use sampling methods in research?

To reduce the cost and time required for data collection

### What is the characteristic of probability sampling?

Each person in the population has an equal, known, nonzero chance of being included in the sample

### What is an advantage of stratified sampling?

It provides more accurate estimates of the population's characteristics

### What is the main difference between cluster sampling and stratified sampling?

Cluster sampling involves selecting entire groups, while stratified sampling involves selecting individual members

### What is the advantage of multistage sampling?

It reduces the cost and time required for data collection

### What is the primary advantage of probability sampling over non-probability sampling?

It provides more accurate estimates of the population's characteristics

### What is the primary advantage of random sampling?

It is simple to carry out

### What is a limitation of random sampling?

It often does not provide the most precise estimates for the least money

### When is random sampling particularly appropriate?

When a good sampling frame exists and the population is geographically concentrated

### What is another name for systematic sampling?

Interval sampling

### What is a characteristic of systematic sampling?

There is a gap, or interval between each selected unit in the sample

### What is the first step in the procedure of systematic sampling?

Number the units from 1 to N (N is the total population size)

### What is the primary goal of stratified sampling?

To ensure each subgroup of the population is represented in the sample

### What is the advantage of systematic sampling over simple random sampling?

It produces more precise estimates of population parameters

### What is the main difference between proportionate and disproportionate stratified random sampling?

Sample size of each stratum is proportionate to the population size of the stratum

Individual units

### What is the primary advantage of cluster sampling?

It reduces the cost of data collection

### What is the main disadvantage of stratified sampling?

Analysis can be complicated

### What is the purpose of dividing the population into strata in stratified sampling?

To ensure each subgroup of the population is represented

### What is an example of cluster sampling?

Selecting a sample of classes from a school

### What is the formula to determine sample size in proportionate stratified random sampling?

(sample size/ population size) x stratum size

### What is the primary advantage of systematic sampling over simple random sampling?

It produces more precise estimates of population parameters

Learn about the concepts of sampling methods in research, including probability and non-probability sampling. Understand the reasons for sampling and the different types of sampling methods. This quiz covers the basics of sampling methods, perfect for students of research methods or statistics.

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