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7/23/2019 Sourceofdatainresearch 1305j09030156 Phpapp01 (1)

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SOURCE OF

DATA.Manu Kumar K M

IInd

MLIScManasagagotri, Mysore.


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CONTENTSINTRODUCTION

IMPORTNCE O! DT ND DT COLLECTIONDT COLLECTION TEC"NI#UES

PRIMR$ DT

SOURCES O! PRIMR$ DTD%NT&ES O! PRIMR$ DT

DISD%NT&ES O! PRIMR$ DT

SECONDR$ DT

SOURCES O! SECONDR$ DTD%NT&ES O! SECONDR$ DT

DISD%NT&ES O! SECONDR$ DT

CONCLUSION


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Source of DataData can 'e de(ned as t)e +uantitatie or+ua-itatie a-ues o a aria'-e. Data is /-ura- o

datum 0)ic) -itera--y means to gie orsomet)ing gien. Data is t)oug)t to 'e t)e

-o0est unit o inormation rom 0)ic) ot)ermeasurements and ana-ysis can 'e done. Datacan 'e num'ers, images, 0ords, (gures, acts orideas. Data in itse- cannot 'e understood and to

get inormation rom t)e data one must inter/retit into meaningu- inormation. T)ere are ariousmet)ods o inter/reting data. Data sources are'road-y c-assi(ed into /rimary and secondary

data.


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IMPORTANCE OF DATA AND DATA COLLECTION

Data is one o t)e most im/ortant andita- as/ect o any researc) studies.Researc)ers conducted in di1erent (e-dso study can 'e di1erent in met)odo-ogy

'ut eery researc) is 'ased on data0)ic) is ana-y2ed and inter/reted to getinormation. Data is t)e 'asic unit instatistica- studies. Statistica- inormation-i3e census, /o/u-ation aria'-es, )ea-t)statistics, and road accidents records area-- dee-o/ed rom data.


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DATA COLLECTION TECHNIQUES

T)ere are t0o sources o data co--ectiontec)ni+ues. Primary and Secondary dataco--ection tec)ni+ues, Primary dataco--ection uses sureys, e4/eriments or

direct o'serations. Secondary dataco--ection may 'e conducted 'y co--ectinginormation rom a dierse source odocuments or e-ectronica--y stored

inormation, census and mar3et studies aree4am/-es o a common sources o secondarydata. T)is is a-so reerred to as 5datamining.5


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PRIMARY DATA

Primary data means origina- data t)at )as'een co--ected s/ecia--y or t)e /ur/ose inmind. It means someone co--ected t)e datarom t)e origina- source (rst )and. Data

co--ected t)is 0ay is ca--ed /rimary data.Primary data )as not 'een /u'-is)ed yet

and is more re-ia'-e, aut)entic ando'6ectie. Primary data )as not 'eenc)anged or a-tered 'y )uman 'eings7t)ereore its a-idity is greater t)ansecondary data.


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Survey

Surey is most common-y used met)od in socia- sciences,management, mar3eting and /syc)o-ogy to some e4tent. Sureys

can 'e conducted in di1erent met)ods.Questo!!are

#uestionnaire is t)e most common-y used met)od in surey.#uestionnaires are a -ist o +uestions eit)er an o/en8ended or c-ose8ended or 0)ic) t)e res/ondent gie ans0ers. #uestionnaire can

'e conducted ia te-e/)one, mai-, -ie in a /u'-ic area, or in aninstitute, t)roug) e-ectronic mai- or t)roug) a4 and ot)er met)ods.

I!terve"

Interie0 is a ace8to8ace conersation 0it) t)e res/ondent. It iss-o0, e4/ensie, and t)ey ta3e /eo/-e a0ay rom t)eir regu-ar 6o's,'ut t)ey a--o0 in8de/t) +uestioning and o--o08u/ +uestions.

O#servato!s

O'serations can 'e done 0)i-e -etting t)e o'sering /erson 3no0t)at )e is 'eing o'sered or 0it)out -etting )im 3no0. O'serationscan a-so 'e made in natura- settings as 0e-- as in arti(cia--y createdenironment.


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D%NT&ES O! PRIMR$ DT

Data interpretation is better.

Targeted Issues are addressed.

Efficient Spending for Information.Decency of Data.

Addresses Specific Research Issues.

Greater Control.

Proprietary Issues.


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DISAD$ANTA%ES OF PRIMARYRESEARCH

H&' CostT(e Co!su(!&

I!accurate Fee*+#ac,s

More !u(#er of resources sre-ure*


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SECONDARY DATASecondary data is t)e data t)at )as 'een a-ready

co--ected 'y and readi-y aai-a'-e rom ot)ersources. 9)en 0e use Statistica- Met)od 0it)Primary Data rom anot)er /ur/ose or our /ur/ose0e reer to it as Secondary Data. It means t)at one

/ur/ose:s Primary Data is anot)er /ur/ose:sSecondary Data. So t)at secondary data is data t)atis 'eing reused. Suc) data aremore +uic3-yo'taina'-e t)an t)e /rimary data.

T)ese secondary data may 'e o'tained rommany sources, inc-uding -iterature, industry sureys,com/i-ations rom com/uteri2ed data'ases andinormation systems, and com/uteri2ed ormat)ematica- mode-s o enironmenta- /rocesses.


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Pu#s'e* Pr!te* Sources

T)ere are arieties o /u'-is)ed /rinted sources. T)eir credi'i-ityde/ends on many actors. !or e4am/-e, on t)e 0riter, /u'-is)ingcom/any and time and date 0)en /u'-is)ed. Ne0 sources are

/reerred and o-d sources s)ou-d 'e aoided as ne0 tec)no-ogy andresearc)es 'ring ne0 acts into -ig)t.

/oo,s

;oo3s are aai-a'-e today on any to/ic t)at you 0ant toresearc). T)e uses o 'oo3s start 'eore een you )ae se-ected

t)e to/ic. ter se-ection o to/ics 'oo3s /roide insig)t on )o0muc) 0or3 )as a-ready 'een done on t)e same to/ic and you can/re/are your -iterature reie0. ;oo3s are secondary source 'utmost aut)entic one in secondary sources.

0our!as12ero*cas


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Pu#s'e* Eectro!c Sources

s internet is 'ecoming more adance, ast andreac)a'-e to t)e masses7 it )as 'een seen t)at muc)inormation t)at is not aai-a'-e in /rinted orm is

aai-a'-e on internet. In t)e /ast t)e credi'i-ity ointernet 0as +uestiona'-e 'ut today it is not. T)e reasonis t)at in t)e /ast 6ourna-s and 'oo3s 0ere se-dom/u'-is)ed on internet 'ut today a-most eery 6ourna- and

'oo3 is aai-a'-e on-ine. Some are ree and or ot)ers you)ae to /ay t)e /rice.

E+4our!as5 e86ourna-s are more common-y aai-a'-et)an /rinted 6ourna-s. Latest 6ourna-s are di=cu-t toretriee 0it)out su'scri/tion 'ut i your uniersity )as an

e8-i'rary you can ie0 any 6ourna-, /rint it and t)ose t)atare not aai-a'-e you can ma3e an order or t)em.

%e!era 6e#stes7 &enera--y 0e'sites do not containery re-ia'-e inormation so t)eir content s)ou-d 'e

c)ec3ed or t)e re-ia'i-ity 'eore +uoting rom t)em.


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AD$ANTA%ES OFSECONDARY DATA

I!e82e!sveEasy access#e

I((e*atey avaa#e

6 2rov*e esse!ta #ac,&rou!*a!* 'e2 to carfy or re9!e researc'2ro#e( : esse!ta for teraturereve"

Seco!*ary *ata sources " 2rov*eresearc' (et'o* ater!atves.

6 aso aert t'e researc'er to a!y

2ote!ta *;cutes.


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DISAD$ANTA%ES OF SECONDARY DATA

E!pensi"e#ot immediately a"ailable $ ta%es time todefine problem& sampling frame& method and

analysis.

#ot as readily accessible

Incomplete Information


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CONCLUSIONPrimary researc) entai-s t)e use o

immediate data in determining t)e suria-o t)e mar3et. T)e /o/u-ar 0ays to co--ect

/rimary data consist o sureys, interie0sand ocus grou/s, 0)ic) s)o0s t)at directre-ations)i/ 'et0een /otentia- customers

and t)e com/anies. 9)ereas secondaryresearc) is a means to re/rocess and reuseco--ected inormation as an indication or'etterments o t)e serice or /roduct.

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