sampling

Question 1

random sampling

Answer 1

• ## sampling technique that ensures every member of the population of research interest has an equal chance of being selected to be part of the sample

Question 2

pros of random sampling

Answer 2

• helps ensure a high representative sample
• enables generalisation with greater confidence and no biais

Question 3

cons of random samplign

Answer 3

• no guarantee that the sample will be representative
• no all those who will be selected may be contactable, available/ agree to participants which can be a problem if the sample size is small
• other may agree then refuse or withdraw

Question 4

stratified sampling

Answer 4

• process of selecting a sample from population comprised of various subgroups in such a way that each subgroup is represented
• same proportions

Question 5

pros of stratified sampling

Answer 5

• enables researcher to sample specific groups within populations for comparison purposes

Question 6

cons for stratified sampling

Answer 6

• can only be carried out if complete lists of the target population is available and accessible
• can be time consuming and is a complex procedure and can be costly