<P> Mitchell used statistics to identify attitudinal and demographic questions that helped categorize adult American consumers into one of nine lifestyle types : survivors ( 4 % ) , sustainers ( 7 % ) , belongers ( 35 % ) , emulators ( 9 % ) , achievers ( 22 % ) , I - am - me ( 5 % ) , experiential ( 7 % ) , societally conscious ( 9 % ) , and integrated ( 2 % ) . The questions were weighted using data developed from a sample of 1,635 Americans and their significant others , who responded to an SRI International survey in 1980 . </P>
<P> Mitchell used statistics to identify attitudinal and demographic questions that helped categorize adult American consumers into one of nine lifestyle types : survivors ( 4 % ) , sustainers ( 7 % ) , belongers ( 35 % ) , emulators ( 9 % ) , achievers ( 22 % ) , I - am - me ( 5 % ) , experiential ( 7 % ) , societally conscious ( 9 % ) , and integrated ( 2 % ) . The questions were weighted using data developed from a sample of 1,635 Americans and their significant others , who responded to an SRI International survey in 1980 . </P>
the vals model classifies adults into -- -- groups based on sri consulting group survey
the vals model classifies adults into -- -- groups based on sri consulting group survey
nine
nine