Multistage sampling involves taking samples in stages by dividing the population into groups and selecting smaller units at each stage, making it a complex form of cluster sampling. For instance, in a study on preferred cartoons among Pakistan school children, researchers would start with a random sample of states, then schools, and finally students. Additionally, demographic quotas can be employed in telephone interviews to ensure representation of certain demographics among respondents.

1. 
 Multistage sampling is the taking of samples in stages
using smaller and smaller sampling units at each
stage. Multistage sampling can be a complex form of
cluster sampling because it is a type of sampling which
involves dividing the population into groups (or clusters).
10/14/2022
Multistage Sampling
Muhammad Awais
(facebook.com/awwaiis)

2. 
 Let’s say you wanted to find out which subjects Pakistan
school children preferred which cartoons. A population
list — a list of all Pakistan school children– would be
near-impossible to come by, so you cannot take a sample
of the population.
 Instead, you divide the population into states and take a
simple random sample of states. For the next stage, you
might take a simple random sample of schools from
within those states.
 Finally you could perform simple random sampling on
the students within the schools to get your sample.
10/14/2022
Muhammad Awais
(facebook.com/awwaiis)

3. 
10/14/2022
Muhammad Awais
(facebook.com/awwaiis)

4. 
 If you want to do interviews on telephone, do
demographic quotas to select your respondents.
 Which means that a certain percentage of all
respondents must be of a certain gender or age. In
this type of study, researchers determine which
person in the household should answer the
questionnaire by using a form of random-numbers
table.
10/14/2022
Muhammad Awais
(facebook.com/awwaiis)

5. 
10/14/2022
Muhammad Awais
(facebook.com/awwaiis)