▁Lé vi - St ra uss ▁also ▁developed ▁the ▁concept ▁of ▁the ▁house ▁society ▁to ▁describe ▁those ▁soci eties ▁where ▁the ▁domestic ▁unit ▁is ▁more ▁central ▁for ▁social ▁organization ▁than ▁the ▁descent ▁group ▁or ▁line age . ▁ ▁The ▁purpose ▁of ▁struct ural ist ▁explanation ▁is ▁to ▁organ ize ▁real ▁data ▁in ▁the ▁simplest ▁effective ▁way . ▁All ▁science , ▁he ▁says , ▁is ▁either ▁struct ural ist ▁or ▁reduction ist . ▁In ▁confront ing ▁such ▁matters ▁as ▁the ▁inc est ▁tab oo , ▁one ▁is ▁facing ▁an ▁objective ▁limit ▁of ▁what ▁the ▁human ▁mind ▁has ▁accepted ▁so ▁far . ▁One ▁could ▁hypoth es ize ▁some ▁bi ological ▁imper ative ▁underlying ▁it , ▁but ▁so ▁far ▁as ▁social ▁order ▁is ▁concerned , ▁the ▁tab oo ▁has ▁the ▁effect ▁of ▁an ▁ir reducible ▁fact . ▁The ▁social ▁scient ist ▁can ▁only ▁work ▁with ▁the ▁structures ▁of ▁human ▁thought ▁that ▁arise ▁from ▁it . ▁And ▁struct ural ▁explan ations ▁can ▁be ▁tested ▁and ▁ref uted . ▁A ▁mere ▁analyt ic ▁scheme ▁that ▁wishes ▁caus al ▁relations ▁into ▁existence ▁is ▁not ▁struct ural ist ▁in ▁this ▁sense . ▁ ▁Lé vi - St ra uss ' s ▁later ▁works ▁are ▁more ▁controvers ial , ▁in ▁part ▁because ▁they ▁imp inge ▁on ▁the ▁subject ▁matter ▁of ▁other ▁sch ol ars . ▁He ▁believed ▁that ▁modern ▁life ▁and ▁all ▁history ▁was ▁founded ▁on ▁the ▁same ▁categories ▁and ▁transformations ▁that ▁he ▁had ▁discovered ▁in ▁the ▁Brazil ian ▁back ▁country – The ▁Raw ▁and ▁the ▁Cook ed , ▁From ▁H