populations, samples and sampling techniques

Question 1

target population

Answer 1

is the total group of individuals from which the sample might be drawn.

Question 2

sample

Answer 2

is the group of people who take part in the investigation. The people who take part are referred to as “participants”

Question 3

random sampling

Answer 3

a type of probability sampling where everyone in the entire target population has an equal chance of being selected.

Question 4

snowball sampling

Answer 4

a non-probability sampling technique in which the samples have traits that are rare to find.

Question 5

opportunity sampling

Answer 5

Uses people from target population available at the time and willing to take part. It is based on convenience. sample obtaining by asking p’s to take part

Question 6

self-selected sampling

Answer 6

a non-probability technique, that is based on the judgement of the researcher