Sampling

What is a target population?

• The source material from which sample is taken

• The group of people a researcher is interested in

• The group that attracts others to join

• The group that is not studied.

What is a sampling frame?

• The source material from which sample is taken

• The group of people a researcher is interested in

• The group that attracts others to join

• The group that is not studied.

When a sample is taken, the research should aim to make sure it is ________ of the target population so that generalisations can be made.

• Possible

• Dynamic

• Notional

• Representative

An opportunity sample is?

• A sample where every participant has an equal chance of being selected.

• Sample where participants chosen are the most convenient / available to the researcher.

• A sample where the researcher selects every nth person

• Sample relying on referrals from initial participants to access more participants

• Sampling technique relying solely on volunteers

A random sample is?

• A sample where every participant has an equal chance of being selected.

• Sample where participants chosen are the most convenient / available to the researcher.

• A sample where the researcher selects every nth person

• Sample relying on referrals from initial participants to access more participants

• Sampling technique relying solely on volunteers

A systematic sample is?

• A sample where every participant has an equal chance of being selected.

• Sample where participants chosen are the most convenient / available to the researcher.

• A sample where the researcher selects every nth person

• Sample relying on referrals from initial participants to access more participants

• Sampling technique relying solely on volunteers

A snowball sample is?

• A sample where every participant has an equal chance of being selected.

• Sample where participants chosen are the most convenient / available to the researcher.

• A sample where the researcher selects every nth person

• Sample relying on referrals from initial participants to access more participants

• Sampling technique relying solely on volunteers

A self-selected sample is?

• A sample where every participant has an equal chance of being selected.

• Sample where participants chosen are the most convenient / available to the researcher.

• A sample where the researcher selects every nth person

• Sample relying on referrals from initial participants to access more participants

• Sampling technique relying solely on volunteers

A stratified sample is?

• A sample where every participant has an equal chance of being selected.

• Sample where participants chosen are the most convenient / available to the researcher.

• A sample where sub groups are identified proportionate to their frequency in the target population - randomly

• Sample relying on referrals from initial participants to access more participants

• Sampling technique relying solely on volunteers

Sampling means?

• The selection of participants from the sampling frame

• The selection of participants randomly from the country

• The selection of participants from a target population

• The selection of participants from a set of volunteers