STATS- Non Probability Sampling (4)

What is Convenience Sampling?

A non-random sampling method where participants are selected based on their availability and willingness to participate, such as asking people on the street or students in a classroom.

What does Purposive Sampling involve?

Selecting participants intentionally based on the specific needs of the study, particularly when it's challenging to find the appropriate subjects.

When is Quota Sampling used?

When researchers divide participants into specific groups (like age or gender) and select a certain number from each group, often based on availability rather than random selection.

What is Snowball Sampling?

A sampling technique where existing study subjects recruit future subjects from among their acquaintances, often used for reaching hard-to-access populations.

Give an example of Convenience Sampling.

Asking students in class for their opinions or conducting surveys on the street.

What is a key characteristic of Purposive Sampling?

It is used when researchers need to target a specific group of people for their study.

How does Quota Sampling select participants?

It selects participants based on certain characteristics, ensuring that specific demographics are represented.

What type of groups is Snowball Sampling typically used for?

It is commonly used for hard-to-reach groups like homeless individuals or those with rare medical conditions.

Provide an example of Purposive Sampling.

ex Interviewing members of a specific ethnic group for a cultural study.

What is a disadvantage of Convenience Sampling?

It may lead to biased results since the sample may not represent the population as a whole.