What percentage of people wash their hands after going to the restroom?
This is a difficult question to answer accurately. Surveys are unreliable because people are not likely to be truthful about behavior that is considered socially unacceptable. Surveys underreport the true percentage.
Even if it is difficult, estimating the percentage of people who engage in a specific illegal or frowned-upon behavior is critical as it has important uses in policy-making and enforcement. Research studies have shown some improvement in accuracy by asking participants to estimate the percentage themselves. People are more likely to be open about what others are doing than they are about themselves. Obviously this works best for populations that are well-known by the participants, such as employees in a company.
Read the full blog post here.

I'm fascinated by the concept of aligning execution and strategy; in other words – making sure what we actually do matches what we say we will do. It might sound obvious but finding ways to close the gap between the two makes a great subject for a blog and I’ve been writing about it for years. Even as CMO of SAP, I do my best to literally “manage by walking around” but since SAP is a global company it might be more aptly called manage by flying around. While I occasionally write about marketing topics, most of my entries deal with general people and business issues. Please share your ideas and experiences in the comments.
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