Nielsen conducted pilot interviews to test the survey
| Country | Method | Number of pilot interviews | Language |
|---|---|---|---|
| IN | Face-to-face interview | 30 | Hindi, Bengali, Tamil, Marathi (7–8 interviews per language) |
| SA | Face-to-face interview | 6 | English |
| GR | Face-to-face interview | 6 | Greek |
| NO | Online interview | 6 | Norwegian |
| JP | Online interview | 7 | Japanese |
| UK | Online interview | 8 | English |
| US | Online interview | 6 | English |
| Country | Method | Number of pilot interviews | Language |
|---|---|---|---|
| IN | Face-to-face interview | 30 | Hindi, Bengali, Tamil, Marathi |
| SA | Face-to-face interview | 6 | English |
| GR | Face-to-face interview | 6 | Greek |
| NO | Online interview | 6 | Norwegian |
| JP | Online interview | 7 | Japanese |
| UK | Online interview | 8 | English |
| US | Online interview | 6 | English |
Notes:
GR = Greece; IN = India; JP = Japan; NO = Norway; SA = South Africa; UK = United Kingdom; US = United States
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