Diana Baumrind's study of nursery school children supported Hoffman's theory of discipline in that the children of parents were found to be friendlier, more cooperative, and less disruptive than children of parents.

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.

answer; sociological imagination;

answer; approx,300,000 ;