1.6 DATA COLLECTION

1. SURVEY

1.1. A SURVEY solicits information from peaple e.g. pre-election polls: marketing surveys

1.2. Survey is a method to gathering information form a sample of the respondent

2. CONTROLLED EXPERIMENT

2.1. Controlled study in which the researcher attempts to understand cause and effect relationships

2.2. The researcher gets to assign members of the study to different groups, which are then subjected to different experimental conditions("treatments")

2.3. Example, if we want to determine if a medical procedure is effective, we can randomly assign people to either undergo the produce (the trearment group) or not (the control group)

3. INTERVIEW

3.1. FACE TO FACE - involves a trained interviewer going to potential respondent, asking question and recording responses

3.2. COMPUTER-Assisted Personal Interview- take sa laptop computer to the interviewer and codes the data into computer as it provided

3.3. POSTAL/MAIL SURVEY- questionnaires are mailed out respondents with with a return-paid envelope so that the respondent can mail back the completed form

3.4. DROPPFF-MAILBACK and DROPOFF-PICKUP- the questionnaire is left with the respondent to be completed and either mailed back by the respondent or picked up by the interviewer

3.5. TELEPHONE INTERVIEW- involves potential respondents being telephoned and asked by the survey questions over the phone

4. SECONDARY DATA

4.1. May not match your need

4.2. Access may be difficult or costly

4.3. May save some costs and time

4.4. Allow for longitudinal studies

4.5. Validity of some secondary data (e.g.internet sources

5. PRIMARY DATA

5.1. Commonly match to your need

5.2. Orginal

5.3. Sometimes involve some costs and time

5.4. May be not appropriate for longitudinal studies

5.5. Validity of the process in collecting the data

6. OBSERVATION

6.1. Design method to identify the problems that can arise when people interact with products, services and environments

6.2. Example, how people move around a shopping centre, or how peaple in the street use their mobile phones.