JUNE 2013 EXAMINATION EXAMINATION GM07 Research Methodology Tie! Three "o#rs Ma$i# Mar%s! 100 Note! 1& 2& 3& &
The 'a'er is di(ided i) three sectio)s! *ectio)+A, *ectio)+- a)d *ectio)+.& Ther There e are are se(e se(e) ) /#e /#est stio io)s )s i) *ect *ectio io)+ )+A& A& *t#d *t#de) e)ts ts are are re/#ired to atte't a)y o#r& *ect *ectio io)+ )+- has has /#e /#est stio io)s )s,, att atte e't 't a)y a)y thr three ee&& All the /#estio)s o *ectio)+. .ase *t#dy4 are co'#lsory&
*E.TION+A 10 Mar%s each4 1& Distinguish between cross-sectional cross-sectional and longitudinal research research designs. 2& Discuss Discuss the various various condition conditions s necessary necessary for inferring inferring causality causality between two variables. 3& Discuss the various ways in which the relevance of the secondary data source can be evaluated. & What are projective projective techniques? What are the dierent types of techniques available to a researcher? & Distinguish between Reliability Reliability and Validity of a data collection instruent. 5& Discuss the concept of !tandard "rror "rror of saple eans. 7& Discuss the dierent dierent ways in which data collected can be suari#ed.
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*E.TION+- 1 Mar%s each4 $"ven though e%ploratory research designs are lowest in ters of accuracy of &ndings' it is recoended that no research ust be carried out without the(. "%aine the above stateent and justify with why you agree)disagree agree)disagree with it. *onsi *onside derr a tele teleph phon one e inst instru rue ent nt anu anufa fact ctur urin ing g cop copan any y wanting to easure the in+uence of dierent colors by ,eeping all the reaining features of the instruent sae. Discuss the variou various s etho ethods ds to contr control ol the eect eect of e%tra e%traneo neous us variab variables les
GM078J#)e 2013
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while easuring the in+uence of colors on the sales. our answer should be speci&c and not general. 10& Discuss with the help of e%aples the four ,ey levels of easureent. What atheatical operations )statistical techniques are and are not perissible on data fro each type of scale? 11& Discuss the dierent threats to internal validity of an e%periental design.
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o deterine the eectiveness of the advertising capaign for a new DVD player' the anageent would li,e to ,now what percentage of households is aware of the new brand. he advertising agency thin,s that this &gure is as high as /01. he anageent would li,e a 231 con&dence interval and a argin of error not greater than plus or inus 41. a. What saple si#e should be used for the study. b. !uppose the anageent wanted a 221 con&dent with an error of 51' how would the saple si#e change 67 value is 231 con&dence 8.29 and for 221 4.3:;.
*E.TION+. 1 Mar%s4 .ase *t#dy .o'#lsory4 he anageent of
Develop a suitable questionnaire for a saple of 300 fro dierent parts of a given city to obtain the above inforation.
