Question

Primary data can be collected by 3 ways identify and explain these method with merits and demerits

Answer 1

3 ways to collect primary data are as follows :

1) Direct Personal Investigation - In this method, the investigator personally collects data from all the people.

Merits :

• Originality
• Reliability
• Accuracy
• Uniformity

Demerits :

• Wide area
• Cost
• Personal bias

2) Indirect Oral Investigation - In this method, the investigator gets information orally from a source who  is expected to know it.

Merits :

• Wide coverage
• Economical

• Simple

Demerits :  

• Less accurate
• Bias

3) Through Questionnaire - In this method, informants fill up a questionnaire filled with queries of a particular topic.

Merits :

• Wide area
• Time
• Economical

Demerits :

• Only for educated people
• People do not take it seriously
• Could be confusing