"Leila is participating in a study where she is asked to decide whether a string of letters is a word as quickly as she can. Leila is doing the task."

Lexical decision

Explanation: Lexical decision task is a cognitive exercise in which participating individuals decide whether a combination or string of letters is a word or not. The speed or time taken to reach such decision is measured. The Lexical decision task is aimed at understanding the organization and Retrieval pattern of the long term memory. An example of Lexical Decision Task could be, when given a string of letters such as 'SCHOOL', response time to affirm that it is an English word is measured or when given a string 'VNIT', response time to affirm that it isn't a word is measured.

of what agreement it does not show

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.