Types Sampling

Question 1

Random Sampling

Define

Answer 1

All members of the population have an equal chance of selection.

Question 2

Random Sampling

Evaluation

Answer 2

+ No reasercher Bias
- time consuming
- may end up with a Bais sample

Question 3

Systematic sampling

Define

Answer 3

Selecting every Nth term from a list

Question 4

Systematic sampling

Evaluation

Answer 4

+ No reasercher Bias
+ Usually fairly representative
- May end up with bias sample

Question 5

Stratified sampling

Answer 5

Sample reflects the proportion of people within a different population strata.

Question 6

Stratisfied Sample

Evaluation

Answer 6

+ No reasercher Bias
+ Representative
- Cannot acount for all subgroups

Question 7

Opportunity sample

Answer 7

Choosing whoever is available

Question 8

Opprotunity sample

Evaluation

Answer 8

+ Convenient
- reasercher Bias
- Unerpresentative

Question 9

Volunteer sample

Answer 9

Participants self select.

Question 10

Volunteer sample

Evaluation

Answer 10

+Less time consuming
+Attracts a certain profile of person
- Not representitive