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Ad Hoc Cross Media Surveys

Solutions
An adapted and customised offer
Published on 31.01.2017

Médiamétrie conducts specially commissioned, customised studies on the performance of media brands or media campaigns, analyses on cross-device duplication and incremental coverage gains.

The ad hoc pricing includes:

  • The number of devices studied
  • The number of targets
  • The number of competitors studied

Confidence interval calculus

Sample size or target in the sample

n =

Proportion observed in the sample or on a target in the sample

p =

%

Warning: only applies to a proportion. The Average Rate is an average of proportions and the Audience Share a ratio of proportions. This tool is provided for information purposes. It cannot be applied for professional purposes without further precautions.

Test of significance of the differences between two proportions

Used to assess whether the difference between 2 proportions is significant at the 95% threshold

Proportion

Sample size

1st sample

%

2nd sample

%

Warning: only applies to a proportion. The Average Rate is an average of proportions and the Audience Share a ratio of proportions. This tool is provided for information purposes. It cannot be applied for professional purposes without further precautions.

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