Data Collection

Data collection

Presented by : krishna ku. jaiswal

What it mean

 Data refers to a collection of natural phenomena descriptor , including the result of experience , observation or experiment , or a set of premises . This may consist of numbers , words , or image, particularly as measurements or observations of a set of variables .

TYPE  There are two sources of data :

Primary data  A primary sources required the learner to interact with the source and extract information .

METHOD

advantage    

Reliability Respond friendly Further information Useful for future also

disadvantage     

Time consuming Researcher must “market” survays Validity Cost Sampling and selection effect

Secondary data  Secondary data analysis is commonly known as second hand analysis . They represent thinking of some else .

METHOD

Advantage    

Time saving Cost Easy to access Some data are always secondary

disadvantage

 Validity  Less reliable  Intention can be different