Merit and demerit of primary and secondary data?

Answer 1

PRIMARY DATA

MERITS

1. it gives valid information

2. you can observe finer nuances as in the case of interview or observation method

3. as in questionnaire, the anonimity of respondent is preserved

DEMERITS

1. it can be difficult to gain access to the sample

2. the sample may behave unnaturally in the presence of the interviewer

3. personal bias may affect the outcome

4. it can be time consuming

SECONDARY DATA

MERITS

1. a variety of information

2. variety of opinions

3. in depth information

4. time saving

DEMERITS

1. the data may be inaccurate

2. the data may be outdated

3. personal bias of researcher may affect the result

4. the information may not always be relevant