BASIS FOR MEASUREMENT Whatever exists, exists in some amount Our goals: Measure the appropriate quantity, Measure with the appropriate accuracy to allow us to assess our hypothesis Some questions: What data do we need? What do we measure? How do we measure? How well do we need to measure? What do we do with the data?BASIS FOR MEASUREMENT • Whatever exists, exists in some amount • Our goals: – Measure the appropriate quantity, – Measure with the appropriate accuracy, to allow us to assess our hypothesis • Some questions: – What data do we need? – What do we measure? – How do we measure? – How well do we need to measure? – What do we do with the data? 2