EXAMINATIONANSWER BOOKLETID NUMBER:TEACHING PERIOD: TRIMESTER 3YEAR:2020SUBJECT TITTLE ______ BUSINESS RESEARCH METHODS_____________________Page1of13Examination Answer BookletCRICOS Provider No: 00124k
Section AThis section is worth 10 marksAnswerTwo(2) questions ONLY----------------------------------Question no 3:Answer:Potential Sources of Error:1.Random Sampling ErrorIt occurs because the particular sample selected is an imperfect representation of the population ofinterest.For Example:When a researcher select sample size of 120 from the population of 3,685 but the accurate sample is 442which represents the entire targeted population.2.Non Sampling Errori. Non Response ErrorA type of non sampling error that occurs when some of the respondents included in the sample do notrespond. The primary cause of nonresponse are refusals and not in homes.ii. Response ErrorPage2of13Examination Answer BookletCRICOS Provider No: 00124kTo ta lE rro rR a n d o mS a m p lin gE r ro rN o nS a m p lin gE r ro rR e s p o n s eE r ro rR e s e a rc h erE r ro rIn te rv ie w er E r ro rR esp ond en tsE rrorN o nR e s p o n s eE r ro r
It is arising from respondents who do not respond, but give inaccurate answers or their answers aremisrecorded or misnalayzed3.Researcher ErrorSurrogate Information Error:instead of obtaining information onconsumer choiceof a new brand, theresearcher obtains information onconsumer preferencessince the choice process cannot be easilyobservedMeasurement Error:While seeking to measure consumer preferences, the researcher employs a scalethat measures perceptions rather than preferencesSampling Frame Error:Telephone Directory, wrong representation of updated or potential customerdetailsData Analysis Error:An inappropriate statistical procedure is used, resulting in incorrect interpretationand findings.4.Interviewer ErrorsRespondent Selection Error:Researcher selected respondents other than those who are specified in thesampling design. Different respondents from pre defined targeted audienceQuestioning Error:Exact wording is not used while conducting field. Much probing is not done whenmore information is requiredRecording Error:arises due to errors in hearing, interpreting, and recording the answers given by therespondentsCheating Error:self filling answers in the questionnaire which creates problem in the last while crosschecking the answers. Questions debt which are difficult to asked from respondents and interviewer filledit based on self assessment5.Respondents ErrorsInability Error:It arises due to following reasons:a.Unfamiliarityb.Fatiguec.Boredomd.Faulty recalle.Question formatUnwillingness Error:It arises when respondents intentionally misreport their answers because of adesire to information.