ABSTRACT

I NTHEpreviouschapterwediscussedthetwomostimportantproceduresinsampledesign,stratificationandmulti-stage sampling,andnotedtheimportanceofPPSselectioninmulti-

stagesamplingwhenthePSU'sareunequalinsize.Inadditionthere areanumberofotherproceduresincurrentuse,andthesewillbe outlinedinthischapter.