Describe 5 data collectiontechniques in your own words. Be sure to cite any sources you used. Explain why the examination of collected datais so important.
1. Personal interviews
Face-to-face: involves trained interviewers visiting people to collect questionnaire data. It is a good approach for ensuring a high response rate to a sample survey or census, and trained interviewers gather better quality data. However, there are some disadvantages to this approach. Respondents may not always be available for interviews and the travel costs of the interviewer could be high.
1.a Computer Assisted Personal Interviewing (CAPI): is a form of personal interviewing, but instead of completing a questionnaire, the interviewer brings along a laptop or hand-held computer to enter the information directly into the database. This method saves time involved in processing the data, as well as saving the interviewer from carrying around hundreds of questionnaires. However, this type of data collection method can be expensive to set up and requires that interviewers have computer and typing skills.
2. Telephone: involves trained interviewers phoning people to collect questionnaire data. This method is quicker and less expensive than face-to-face interviewing. However, only people with telephones can be interviewed and the respondent can end the interview very easily!
Computer Assisted Telephone Interviewing (CATI): is a type of telephone interview, but with the interviewer keying respondent answers directly into a computer. This saves time involved in processing data, but can be expensive to set up, and requires interviewers to have computer …
Data collection methods.
The solution include details of personal interviews, Face-to-face interview, Computer Assisted Personal Interviewing (CAPI), telephone interview & mail survey, The Internet and the observation method. Advantages and disadvantages of observations method is also discussed in the solution.