. ▁ ▁Career ▁A ▁major ▁theme ▁of ▁S ny der ' s ▁work ▁is ▁to ▁understand ▁how ▁individuals ▁form ▁their ▁own ▁social ▁lives . ▁S ny der ▁studies ▁differences ▁in ▁self - mon itor ing , ▁and ▁how ▁high ▁or ▁low ▁levels ▁of ▁self - mon ot oring ▁affect ▁people ' s ▁understanding ▁of ▁how ▁they ▁adjust ▁to ▁social ▁settings . ▁S ny der ' s ▁ 1 8 - item ▁person ality ▁scale ▁can ▁also ▁serve ▁as ▁a ▁device ▁to ▁communicate ▁to ▁people ▁on ▁where ▁they ▁fall ▁on ▁the ▁two ▁concepts ▁of ▁self - mon itor ing . ▁ ▁S ny der ▁conduct s ▁his ▁research ▁at ▁the ▁Center ▁for ▁the ▁Study ▁of ▁the ▁Ind ividual ▁and ▁Society , ▁investig ating ▁how ▁and ▁why ▁people ▁become ▁act ively ▁involved ▁in ▁doing ▁good ▁for ▁others ▁and ▁for ▁society , ▁and ▁how ▁it ▁affect s ▁their ▁perce ived ▁level ▁of ▁happiness . ▁He ▁has ▁made ▁sem inal ▁contributions ▁to ▁the ▁field ▁of ▁social ▁and ▁person ality ▁psych ology . ▁ ▁References ▁ ▁External ▁links ▁▁ ▁Mark ▁S ny der ' s ▁profile ▁at ▁CS IS ▁ ▁" stud ies ▁in ▁self ish ▁al tr u ism ". ▁University ▁of ▁Minnesota ▁▁▁ ▁Category : Year ▁of ▁birth ▁missing ▁( l iving ▁people ) ▁Category : L iving ▁people ▁Category : American ▁social ▁psych olog ists ▁Category : Univers ity ▁of ▁Minnesota ▁fac ulty ▁Category : Mc G ill ▁University ▁al umn i ▁Category : St an ford ▁University ▁al umn i <0x0A> </s> ▁The ▁Div