Jeffrey is a 35 year old african american who is positive about the future. he describes himself as black, but feels black slang should be avoided. to which segment of the african american market identified by yankelovich would jeffrey belong

The answer is "New Middle Class".

The New Middle Class segment of the African American market is more youthful, has the most astounding training and salary, and is sure about what's to come.  

The dark middle class comprises of dark Americans who have working class status inside the American class structure. It is a societal level inside the African-American people group that basically started to create in the mid 1960s, when the progressing Civil Rights Movement prompted the prohibiting of by de jure racial segregation. The increases accumulated by the Civil Rights Era are firmly connected with the rise of another new black middle class.

chronological thinking is an indispensable tool to structure a historical narrative and to give meaning to a sequence of events. the final section presents the results of a survey to test the chronological thinking of lower secondary school students carried out by the educational research institute.