revision (Data collection (Questionnaires / surveys (Advantages (Easy to…
Questionnaires / surveys
Easy to analyse
Not very detailed
Can send to as many people as you want
May not always work or get to the correct person.
No need to have a person present
Must be set up carefully or wont work
(Unstructured) you are able to ask questions the following on from one from the previous one.
(structured) you have to stick to the questions you have written.
You can use them quickly and efficiently
They don't give you much quality higher than a focus group
get information on what products get bought the most
know what offers to put on on certain days
have to buy regularly to get free vouchers on stuff you regularly buy.
they are precise
costly and time consuming
Secondary research methods
May not be valid