What can be a desirable sampling technique if your samples are injection drug users?

Concept:

• Sampling :Taking up a certain number of observations for a study.
• Drug -> Any compound used to treat, prevent, cure or mitigate a disease,
• Drug is also a narcotic term used for substances used for recreational purposes -> Mood altering properties.

Explanation:

• The desirable sampling technique for samples of injection drug users -> Snowball Sampling.
• Snowball sampling -> The subjects assist the researchers to identify similar subjects.
• More drug addicts taking injectable forms of the drug can be identified in this way.
• A huge amount of data collection is possible with this method.

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Additional Information

• Quota Sampling: Homogeneous group is used for data collection.
• Convenient Sampling: Sampling is done from population which is easy to access.
• Purposive Sampling: The members for sample collection are chosen by the researchers themselves -> Based on researcher's judgement.