Decrypt by PF : Discover the secrets behind the polls !

01/10/2025

Polls influence debates and guide analyses, but how are they really constructed? Let’s get this straight in 20 minutes!

The secrets of studies

In this episode, Flavien Neuvy, Director of the Cetelem Observatory, welcomes Jean-Daniel Lévy, Deputy Director of Toluna Harris-Interactive. They will decrypt together the methods of the surveys, the types of studies and their impact on the understanding of public opinion and market trends.

Toluna Harris Interactive is a global leader in research based on robust insights. For 25 years, they have been helping companies maximize their impact, accelerating the growth of brands and enabling them to anticipate trends in an ever-changing world. With more than 40 offices around the world and a presence in more than 70 countries, Toluna Harris-Interactive measures and analyzes opinion and consumption dynamics at the international level.

On the program

Discover a discussion that allows you to decipher the latest trends as well as those to come:

How are live voting estimates calculated?

Is it possible to produce robust estimates with only a representative sample?

Is AI already a decisive tool in the production of estimates?

What is interesting is that the statistical law shows that there is no correlation between the reference population and the size of the reference population.
For a country like ours with 1000 people, we manage to have a representative sample of the French population, in age, in terms of social security and income.

Jean-Daniel Lévy
Managing Director of Toluna Harris-Interactive