Primary Sources of Data
Primary sources are original sources from which the researcher directly collects data that have not been previously collected e.g.., collection of data directly by the researcher on brand awareness, brand preference, brand loyalty and other aspects of consumer behaviour from a sample of consumers by interviewing them,. Primary data are first hand information collected through various methods such as observation, interviewing, mailing etc.
Advantage of Primary Data
·It is original source of data
·It is possible to capture the changes occurring in the course of time. ·It flexible to the advantage of researcher.
·Extensive research study is based of primary data
Disadvantage of Primary Data
1.Primary data is expensive to obtain
2.It is time consuming
3.It requires extensive research personnel who are skilled
4. It is difficult to administer.
Advantages of primary data include high reliability and relevance to specific research needs. However, collecting primary data can be time-consuming and expensive compared to using existing data sources. Additionally, there may be challenges with obtaining a representative sample and ensuring data quality.
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advantages and disadvantages of object-based DO/S
Advantages of database system: 1) improved data sharing 2) improved data integrity 3) reduced data redundancy 4) improved data access Dis advantages of database system: 1) increased cost 2) managing complexity 3) maintaining currency
Relational database is the database that stores data in the database in the form of table that are related to other tables. RDBMS is one of the most widely used Database.
Advantages and Disadvantages of primary data are: Advantages 1. Data is basic 2. Unbiased information 3. Original data 4. Data from the primary market/ population 5. Data direct from the population. Disadvantages. 1. Large volume of data. 2. Huge volume of population. 3. Time consuming 4. Direct and personal intervention has to be there. 5. Raw data.
what are the advantages and disadvantages primary cells?
they are created by people who have never experienced the historical period they described
disadvantages in data manual processing
There are both advantages and disadvantages of data collection methods in statistics. The main advantages are the metrics and correlation one can draw from statistics. The disadvantages stem from sampling errors.
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advantages of object oriented data base
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distorted data
disadvantages privacy loss sometimes not reliable Advantages shares screen view all data of client