Resrarch BBS- CHAPTER 5

 Types of data basis of Source

a) Primary Data

Primary data is the data collected first-hand by the researcher for a specific research purpose.

Methods of collection:

Questionnaire

Interview

Observation

Experiment

Survey

Examples:

Responses collected from students about online classes

Data collected directly from customers in a market survey

Merit: Original and accurate

Demerit: Time-consuming and costly

b) Secondary Data

Secondary data is the data already collected and published by others and used by the researcher.

Sources:

Books and journals

Government reports

Newspapers and magazines

Websites

Research theses

Examples:

Census data

Published economic reports

Merit: Economical and easily available

Demerit: May be outdated or less suitable

Importance of Secondary Data in Business Research

Secondary data refers to the data already collected by other organizations or individuals for purposes other than the current research. It plays a very important role in business research for the following reasons:

1. For Reliability

Secondary data helps to check the reliability of research findings. When results obtained from primary data are similar to already published data, the findings become more trustworthy and consistent.

2. To Supplement Data

Sometimes primary data alone is not sufficient. In such cases, secondary data is used to support and strengthen the primary data, making the research more complete.

3. For Reference Purpose

Secondary data provides a base or reference for the researcher. Previous studies, reports, and statistics help researchers understand concepts, variables, and research methods.

4. For Comparison

Secondary data allows researchers to compare present data with past data. For example, current sales can be compared with previous years’ sales to analyze trends.

5. For Resolving the Problem

Existing data helps researchers to identify, define, and understand the research problem clearly. It gives insight into similar problems studied earlier and their solutions.

6. For Collecting Primary Data

Secondary data helps in planning primary data collection. It assists in designing questionnaires, selecting samples, and choosing appropriate research tools.

7. For Meta-Analysis

Secondary data is used to combine and analyze results of different studies. This helps in drawing general conclusions from multiple research works.

8. For Contextual Background

Secondary data provides historical, social, and economic background of the study. It helps the researcher understand the overall research environment.

Research Questionnaire

A research questionnaire is a systematically prepared set of written questions used to collect primary data from respondents for a research study. The questions are designed in such a way that respondents can easily understand and answer them, helping the researcher gather accurate and relevant information.

A research questionnaire is a structured instrument consisting of a series of questions used to collect data from respondents for research purposes



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