The measurement of human dietary intake is complicated. One of the most important reasons for this complication is the lack of an “ultimate criterion-measuring device that can be used for calibration of other devices” (1). This is true especially when the information collected is the dietary intake over a considerable length of time. in such a situation, reproducibility of the method might provide a measure of reliability as defined by Moore (2): “A procedure is reliable if it gives the same results when used repeatedly in the same situation.” Dawber et a!. (3), reporting on the reliability of the dietary intake method used in the Framingham Study, stated that correlation coefficients of 0.5 to 0.8 for sequential estimation of dietary factorsare considered to be satisfactory. In their own study, using a modification of the Burke research dietary history (4), they reported correlation coefficients of 0.52 to 0.92 for dietary factors obtained in sequential interviews. Previously (5), we reported on a test of validity of a short questionnaire as compared with the Burke-type interview. Analysis of the data obtained showed inconsistent, weak to moderate correlation between the two methods tested.Moreover, the correlationdecreased and the difference between means increased with greater variability in the diet as measured by the number of food items consumed. Since the Burke-type interview was used as the yard stick and it was to be used in a community dietary program, it became important to examine its reliability. This was carried out by comparing data obtained from two consecutive interviews of the selected population groups reported in the previous