Traditional methods of market research as well as opinion polls require the physical logistics of people conducting face-to-face interviews.
The new digital methods are performed otherwise. So they are faster, cheaper and contain more accuracy and timeliness.
Analyzing the data from January 22 to 28, it verifies the period began with a level of 68 points. It dropped to 55 points and had a peak of 80 points in 28 (surgery day).
The accumulated score for the week is 62 points.
This indicates that there was loss of score in the period.
Perhaps as a reflection of the environmental disaster in Minas Gerais, but in moderate intensity.
The digital coefficient has a methodology different from the digital methods because its meaning is positioned within the space in which movement occurred in the period.
It is different from the traditional method that considers the entire population of a given territory with sampling techniques as the researched universe.