A person assembling a tool one week after reading the instructions can remember the first and last steps of the procedure but not the middle ones. This best illustrates which of the following?

the serial position effect

Explanation:

The Serial-position effect is the propensity and likelihood of an individual to recall the first and last items in a series best, and that of the middle items worst. The term was introduced by Hermann Ebbinghaus through several studies he performed on himself, and submits to the study that recall accuracy differs as a function of an item's position within a study list.  

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