Young eli, only a bit over 18 months of age, has been fooled by his parents. in order to get him to willingly take a children's chewable vitamin every day, his parents have taught him that it is a "candy." now, whenever eli sees any product that is small and brightly colored, he says "candy! yummm" and tries to put it into his mouth. eli's attempt to make new stimuli consistent with his existing mental structures is an example of group of answer choicesa) centration
b) egocentrism
c) accommodation
d) assimilation

D) Assimilation      

Explanation: Assimilation is the method through which children tend to add the new information gained from any experience or event to the already present knowledge.

As per the situation mentioned in the question, after getting interacted with new stimuli ,Eli tends to add that experienced information to the already existing knowledge of candy structure which he has in his mind.

Other option are incorrect because centration is focusing on only aspect in any event, egocentrism does not let a person distinguish between self and others .Accommodation is the manipulation of already existing knowledge  to generate new knowledge due to new experience.Thus, the correct option is option(D).    

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.