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Types of Data & Measurement - Coggle Diagram
Types of Data &
Measurement
(1) Data
Primary - Data collected at first hand
or collected by ourselves
Secondary - Data collected by
other parties
(2) Data Collection
Primary Data
Collection Method
Statistical Methods
Surveys
Polls
Interview
Delphi Technique
Focus groups
Secondary Data
Collection Method
Financial reports
Sales reports
Government reports
Mission
Vision Statement
Internet
(3) Advantages & Disadvantages
of Primary Data
Advantages
Obtain specific information
needed
Accurate & consistent with
research objectives
Know limitation of study
Disadvantages
Require more time, money &
manpower
Data cannot be use for
further research
(5) Types of Variable
Qualitative
Variable
Quantitative
Variable
Discrete
Continuous
(4) Advantages & Disadvantages
of Secondary Data
Advantages
Less time, money &
manpower
Data can be use for
other research
Disadvantages
Not meet our specific needs
Lack of accuracy
May be biased
(6) Level of
Measurement
Numerical Data
Categorical Data
(7) Variable
Categorical
(Qualitative)
Nominal
Categories (no ordering
or direction)
Ordinal
Ordered categories
(rankings, order or scalling)
Numerical
(Quantitative)
Interval
Differences between measurements
but no true zero
Ratio
Differences between measurements,
true zero exists