Sampling methods in research methodology

## Selecting samples

• Population
• Sample
• Sampling
• Parameter
• Statistics

### Example of Sampling in research methodology.

#### Types of sampling techniques:

There are two types of sampling methods:

1. Probability sampling
2. Non-probability sampling

Probability sampling and Non-probability samplings are the following types:

### 1.Probability sampling

#### Types of Probability sampling:

1• Simple random sampling
2• Systematic sampling
3• Stratified sampling
4• Cluster sampling
5• Area sampling
6• Multi stage sampling

### 1.1 Simple random sampling

Note:
if we have to select a sample of 100 items from a population of 11,000 items, then we can put the names or numbers of all the 11,000 items on slips of paper and conduct a lottery.

### 1.2 Systematic sampling

Note:

In the above example, first, pick a random element from the population. Here 2nd element is picked and placed into the sample after that select every 3rd element from the population and place it into the sample.

### 2. Non-Probability sampling

#### Types of non-probability sampling:

1• Quota sampling
2• Convenience sampling
3• Judgement or purposive sampling
4• Snowball sampling
5• Accidental sampling
6• Dimensional sampling

### 2.1 Quota sampling

Note:

If our population has 60% males and 40% females then our sample should reflect the same percentage of males and females. Let the sample size is 100 then out of 100 the researcher select 60 males and 40 females which are conveniently available.

### 2.2 Convenience sampling

Note:

If researcher has to select a sample of 100 items from a population of 11,000 items, then the researcher select 100 items which is conveniently available.

### 2.5 Accidental sampling

Note:

The size of the sample depends on the more heterogeneous or diverse population.

### 2.6 Dimensional sampling

Note:

Out of 30 people the researcher ensures they have interviewed 5 people that are of a certain gender, 5 a certain age group, and 5 who have income between 25,000 to 40,000.

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Sampling methods in research methodology

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