Non random sampling Flashcards
(4 cards)
1
Q
What is quota sampling ?
A
Researcher selects a sample that reflects the characteristics of the whole population
2
Q
What is opportunity sampling ?
A
Involves taking a sample only from items or people available at the time of the study and who fit the criteria being looked for
3
Q
What are the advantages and disadvantages of quota ?
A
No sampling frame required
Quick easy and inexpensive
Non random sampling can produce bias
Non responses are recorded as such
4
Q
What are the advantages and disadvantages of opportunity sampling?
A
Easy to carry out inexpensive
Unlikely to be representative
Very dependent on researcher