Kaneshamoorthy Thiruventhiran Ampilanthurai

Questionnaires and Interviews - ppt video online download : Advantages of Data Collection Methods Questionnaires Cost of sampling respondents over a wide geographic area is lower Time required to collect data is much less Interviews Adaptability (i.e., Interviewers can follow-up a respondent’s answer to obtain more information Build trust and rapport with respondents, thus making it possible to obtain more information