Tag Archives: comparisons

Comparing apples and oranges in data journalism: a case study

A must-read for any data journalist, aspiring or otherwise, is Simon Rogers’ post on The Guardian Datablog where he compares public and private sector pay.

This is a classic apples-and-oranges situation where politicians and government bodies are comparing two things that, really, are very different. Is a private school teacher really comparable to someone teaching in an unpopular school? What is the private sector equivalent of a director of public health or a social worker?

But if these issues are being discussed, journalists must try to shed some light, and Simon Rogers does a great job in unpicking the comparisons. From pay and hours worked, to qualifications and age (big differences in both), and gender and pay inequality (more women in the public sector, more lower- and higher-paid workers in the private sector), Rogers crunches all the numbers: Continue reading

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