Sampling

Question 1

What is target population

Answer 1

Refers to the group of people who the researcher is interested in studying

Question 2

What is generalising

Answer 2

• concluding findings from sample that will also be true of the wider population
• IS ONLY VALID WHEN SAMPLE JS REPRESENTATIVE

Question 3

Opportunity sampling

Answer 3

• selecting a group of participants who are easily available
• can be BIASED
• most common

Question 4

Random sampling

Answer 4

• every member of the target population has the same chance of being selected
• time consuming!!!
• eg. random number generator

Question 5

Systematic sampling

Answer 5

Uses a procedure that avoids groups of being being selected together, eg picking the fifth house on a street

• representative, can be biased, depends of target population
• STARTING POINT HAS TO BE RANDOM

Question 6

Stratified sampling

Answer 6

Selecting people in order to maintain the overall population that the researcher think is important

• eg, 30% of people are elderly so 30% of sample must be
• representative but could be biased