Tag Archives: Experimental Design

Fighting Extreme Poverty

Half a billion people live on less than 75 cents per day.  Termed the “ultrapoor,”  they often have too few resources to send their children to school or to save any money. What would it take to improve their conditions?  … Continue reading

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Getting Going to Fight Poverty

Imagine that you are managing a health clinic and need to recruit health workers who not just know their stuff, but are genuinely interested in helping the community.  Would you include in your ad the statement, “Job provides great opportunity … Continue reading

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Would You Want Your Parents to Know?

A new experiment at Harvard’s Student Social Support R&D Lab indicates that students in a summer program did better when their parents received a weekly one-sentence about their children’s performance.  The study used a randomize experimental design with students in … Continue reading

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Cities, Nature, and Mental Health

Is a walk in the woods good for you?  It used to be a part of everyday life for people all over the world, but as civilization has progressed and people mostly live in urban areas, contact with nature has … Continue reading

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Paying for the privilege of participating in a medical experiment?

Medical research may identify a potentially valuable treatment that must be tested in a rigorous experiment.  Usually such experiments are funded by federal agencies like the National Institutes of Health, after a careful review, or by the company that has … Continue reading

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He’s Really Hot Now!

Do you every watch a basketball game and think that a player has a “hot hand,” by making a lot of baskets consecutively?  Do you ever play on slot machines and think that you are having a “streak” of good, … Continue reading

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Psychics and Pseudoscience

With concerns about reproducibility of results and exposure of instances of fraud–not to mention conflicting research results about what you should eat and how often you should be tested, it is easy to become cynical about the value of scientific … Continue reading

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