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Quantitative Surveys
 | face-to-face interviews (in-home or in-office) |
| computer assisted telephone interviews (CATI) |
| central location interviews |
| auditorial tests |
| Internet surveys |
| mail surveys |
| self-completed questionnaires published in the press |
Qualitative Surveys and Creative Research
| focus group interviews |
| individual in-depth interviews |
| brain storming sessions |
| family interviews |
Desk Research
| content analysis of magazines, TV programmes, advertisements and commercials |
| secondary analysis of statistical data |
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