L'Oreal adverts statistics

denisegordon | 15:42 Wed 14th Jun 2006 | Adverts

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Has anyone else noticed that L'Oreal adverts on TV or magazines always quote something like "75% of 50 women tested saw improvements"? There's no way they only test it on 50 women so why say that? It's not a good selling point that only 50 women tried it so why mention it? And if there wasn't really just 50, why not just say "100% of 30 women" for example? Why do they do this?

And that's not to mention all the animals they test on then pretend they don't......

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kempie

75% is a nice high figure that doesn't look too good to be true. Not many people would believe 100% and it would instantly fall foul of advertising guidelines.

btw your 75% example is not possible; for a sample of 50 you could only obtain results which are an even number (or zero).

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