When I talk to people about impact evaluation results, I often get two reactions: Sure, that intervention delivered great results in a well-managed pilot. But it doesn’t tell us anything about…

David Evans |

Some years ago, a government I was working with really wanted to increase the data they had on their own education system. They didn’t have great data on student attendance or teacher attendance,…

David Evans |

There are roughly 781 million illiterate adults in the world (and that’s probably an underestimate), according to UNESCO. Yet we know vanishingly little about how to reduce adult illiteracy.

David Evans |

A good friend of mine recently returned from her mother’s funeral in Germany. She had died of lung cancer after spending the last eight years of her life in a slum in New Delhi where she taught…

Sameer Akbar |

Lant Pritchett once said to me “Thanks for the comments. As usual they are all very smart and well-informed and I disagree with most.” I feel similarly regarding his very popular piece posted here…

Berk Özler |

In the early 20th century Helen Todd, a factory inspector in Chicago, interviewed 500 children working in factories, often in dangerous and unpleasant conditions. She asked children the question…

Each year almost 4 million children die within the first four weeks of life, many from preventable or treatable causes. Much programmatic aid is now devoted to devising ways to ensure that simple…

Jed Friedman |

Today's post comes from guest bloggers Hanan Jacoby and Ghazala Mansuri...

Berk Özler |

A piece in this week’s Nature reports that a large vaccine trial for HPV, which can cause cervical cancer, is in trouble in India due to serious violations of ethical rules and informed consent.…

Berk Özler |