Diet.ary surveys are one of t.he most Important. and legit.im;l,tecomponent.s of all ,mprehensive nut.rit.ion surveys (Hoillngswort.h. 1961). No cont.roversy exist.s about 1eir usefulness and importance in assessing nut.rit.ionalSt.;I,t.USand for planning nut.rition Itervention programmes (Schaefer 1964) but. considerable differences of opinion exist 1\ong scientific workers on t.he ;…