<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>58</termId><termName>Randomization</termName><termType>TT</termType><termLanguage>en-EN</termLanguage><termVocabulary>SYMSITES</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>Randomization</termSortkey><termNote label="Scope"><![CDATA[ <p>SYMSITES k-SDSS</p> ]]></termNote><termNote label="Definition"><![CDATA[ <p>The practice of assigning treatments to experimental units such that each unit is equally likely to receive each treatment.</p> ]]></termNote><termNote label="Definition"><![CDATA[ <p>The practice of assigning treatments to experimental units such that each unit is equally likely to receive each treatment.</p> ]]></termNote><termCreatedDate>Randomization</termCreatedDate><relation><relationType>RT</relationType><termId>53</termId><termName>Experimental unit</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>56</termId><termName>Treatment design</termName><termType>PT</termType></relation></term>  </Zthes>