Pre-School Part-Aboriginal Children on Two Reserves in West Australia: A Dietary, Medical, Bio-chemical and Socio-Economic Survey

Abstract

Two problems are always present in any research: reliability and validity, and this paper will attempt to assess reliability and validity in relation to dietary data. Reliability means stability of results over a period of time or in similar situations. (It is very difficult to find two identical situations, especially outside a laboratory, as some variation is always introduced.) Validity refers to the accuracy of techniques and results. It includes the idea of measuring methods and results...