Tuesday, September 23, 2014

Using Multiple Measurement Tools


Question: Is it better to measure your impact via surveys among your target group or by conducting a hand-full of in-depth interviews?

Answer: Both (err… trick question)!


There are multiple ways to measure your impact and relying on just one data source or type of data can prevent you from seeing all that you’ve accomplished. For example, survey data can give you a good sense of your impact on the aggregate-level. But if you only use survey data, then you may not be capturing exactly how your efforts have impacted individuals. On the other hand, in-depth interviews can provide you with more detailed contextual information that might help to explain what your data is telling you. But it can be hard (and often not feasible) to get the resources necessary to interview enough people to capture your effect on the aggregate-level.

That’s why we often draw on both quantitative data (e.g., how much, how many, how often, etc.) and qualitative data (e.g., more descriptive) whenever possible. Quantitative data can be really effective in telling you what has happened as a result of your efforts, while qualitative data can provide you with richer information providing deeper insights indicating why or how something happened. 

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