1C - Population, Sample and Sampling

Question 1

Population

Answer 1

Refers to the group of people who are the focus of research from which a sample is drawn.

Question 2

Sample

Answer 2

Refers to the subset (a part of a larger group) of the population that is selected for research purposes.

Question 3

Sampling

Answer 3

Refers to the process of selection of a subset for investigation. It should be representative of the population.

Question 4

Convenience Sampling

Answer 4

It is not random, but selects participants who are readily and easily available.

Question 5

Random Sampling

Answer 5

Ensures that every member of the population has an equal chance of being selected to be part of the sample.

Question 6

Stratified Sampling

Answer 6

It first divides the population into subgroups from which participants are randomly selected in the proportion they appear in the population.

Question 7

Allocation

Answer 7

It is the process of assigning participants to experimental or control groups.