DEFINITION:
Data:
the pieces of information obtained in a study.
Data collection
systematic gathering of information relevant to the research purpose
or the specific objectives, questions, or hypotheses of a study.
The five ‘Wh’ of data collection
The question that need to be answered are:
What data is to be collected?
From whom data is to be collected?
Who will collect data?
From where the data will be collected?
When is the data to be collected?
PURPOSE OF DATA COLLECTION
• The purpose of data collection is-
✓to obtain information
✓to keep on record
✓to make decisions about important issues
✓to pass information or to others
CONSIDERATIONS IN DATA
COLLECTION
* Objective:
Researcher should consider the objective of collection.
×Scope:
should know what to collect & from whom.
It determines the nature of data.
* Sources of Data:
On the basis of nature & objective of research Sources are determined
Primary & Secondary Sources.
Steps to Data Collection
Step 1: Clarify your data collection goals.
Step 2: Develop operational definitions and procedures.
Step 3: Validate the measurement system.
Step 4: Begin data collection.
Step 5: Continue improving measurement system and ensure people
are following the data collection guidelines.
DATA COLLECTION METHODS
Primary Data Collection
Secondary Data Collection
Types of Data
Qualitative Data
This type of data answers to “how and why” questions in a research
study and mostly covers data regarding feelings, perceptions, and
emotions using unstructured approaches such as interviews for data
collection.
Quantitative
Data Numerical data which is mathematically generated and
computed.
PRIMARY DATA
➤Primary data are those which are collected afresh and
for the first time and thus happens to be original in
character.
It is the real time data which are collected by the
researcher himself.
SOURCES OF PRIMARY DATA
* Interview
Data collected by asking questions orally
* Questionnaire
Arranged questions systematically to gather responses.
* Observation
Direct way of collecting info: by observing Involves using all five senses
to collect data.
INTERVIEW METHOD
This method of collecting Data involves oral –verbal Communications
where Interviewer ask questions and Respondent give answers.
There are 2 types of interviews;
1. Personal interview
2. Telephonic interview
QUESTIONNAIRE METHOD
A questionnaire is a research instrument consisting of a
series of questions and other prompts for the purpose of
gathering information from respondents.
OBSERVATION METHOD
Under the observation method, the information sought by
way of Investigator’s own direct observation without asking
from the Respondents
For eg; in study relating to consumer behaviour; Instead of
asking the brand of the watch used by the respondent the
researcher May himself look at the watch.
Advantages of Primary Data
• Targeted Issues are addressed
• Data interpretation is better
• Decency of Data
• Proprietary Issues
• Addresses Specific Research Issues
• Greater Control
Disadvantages of Primary Data
• High Cost
• Time Consuming
• Inaccurate Feed-backs
• More number of resources is required
SECONDARY DATA COLLECTION
The secondary data is defined as data gathered from
published sources.
. This gathered data can be from both qualitative sources
such as interview reports and quantitative sources data
such as the census.
SOURCES OF SECONDARY DATA
*Published Sources
Gov. reports,., international organization, Private
publication.
* Unpublished Sources
dissertation of students, records of hospitals ete.
* Computerized Database
Books
Published Printed Sources
Journals/Periodicals
Magazines/Newspapers
Published Electronic Sources
General Websites
Government Records
Advantages of Secondary Data
• Ease of Access
• Low Cost to Acquire
• Clarification of Research Question
• May Answer Research Question
Disadvantages Secondary Data
• Quality of Research
• Not Specific to Researcher’s Needs
• Incomplete Information