Category Archives: Chapter 2

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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Political Polling: Still Viable?

Polling has captured the news as never before during the current presidential primary season.  But at the same time that polls are more popular than ever before, their reliability is lower than ever.  As you know from Chapter 8 on … Continue reading

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Measurement in Health Care and Education: Solution or Problem?

The desire to measure outcomes to monitor performance and improve health care and teaching is more than understandable: It would seem to go without saying for a research methodologist. But there can be too much of a good thing, as … 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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Perception and Measurement about Mental Illness

Does it surprise you to learn that a large longitudinal survey of parents has led to the conclusion that the rate of severe mental illness among children and adolescents has dropped considerably in the last generation?  The study involved ratings … 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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The rush to celebrate “eureka” moments

Yet another article on the problem of replication.  If a study is designed with research methods that have been implemented appropriately and reported clearly, repeating that study with the same methods, the findings should be similar.  Right?  This has always been a … Continue reading

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