survey, methods, program evaluation

A large sample of the wrong people is just a waste of time: How to tell if your sample is representative

October 03, 2018 | Pieta Blakely

I recently posted a #tiptuesday in which I said that a sample of the wrong people was a waste of time. A friend asked “how do you know it’s the wrong people?” That’s a great question and I’ll address it here. First, what is sampling and why do we do it?

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survey, program evaluation

Better survey results: Presenting the results of a retrospective pre-post design

April 05, 2018 | Pieta Blakely

    A retrospective pre-post design is one where you ask learners to evaluate their own learning after a training event. This is a great alternative to administering two surveys, one before and one after. It is hard for people to rate their knowledge of a topic before they've been exposed to it. ...

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survey, methods, program evaluation

I’ve been gathering data in the field. How do I know when I’m done?

February 08, 2018 | Pieta Blakely

Professional program evaluators always start a study with a sampling plan. But program managers and other professionals often find themselves gathering data in a less structured way. We often need to gather feedback or input from the community without developing a research plan in advance. For ...

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