The Research Design Associates Blog


Cash Mobs: Social Media Meets Small Businesses

Now, small community businesses are greeting ‘cash mobs’ of cash bearing customers who have been organized using social media like Facebook or Twitter. Participants in the cash mob receive an invitation with a date and time only: the location and name of the business comes just before the event to maintain the element of surprise. Each person commits to spending a predetermined amount of money - $20 seems to be the accepted standard – in cash. A good coordinator will also plan a debrief at a local restaurant or pub, doubling the evening’s benefit to the community.

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5.13.2012
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How big a sample do I need?

At least once a week a client asks what is the appropriate sample size. The right sample size depends on what you know, how you are measuring it, and how accurate your findings need to be. Your investment of time and thought in experimental design and defining meaningful measures will do more than anything to insure meaningful and accurate research outcomes.

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4.29.2012
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New Reports of Flawed Forensic Evidence

There have been 289 people proven innocent and exonerated by DNA testing in this country and that eyewitness misidentification testimony was a factor in nearly 75% of these exonerations, making it the leading cause of the wrongful convictions. The second greatest contributor to wrongful convictions overturned by DNA testing is faulty forensic science. DOJ only made the findings available to prosecutors in the affected cases. And prosecutors failed to notify defendants or their attorneys even in many cases they knew had flawed evidence.

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4.23.2012
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