Luke tried his best to remember the items from his grocery list he left at home, but he could only remember the first few items. this is an example of

a.
primacy
b.
recency
c.
chunking
d.
blocking

Luke who tried his best to remember the items from his grocery list he left at home, but he could only remember the first few items is an example of primacy effect. Correct A

The primacy effect was discovered by the German psychologist Hermann Ebbinghaus. The primacy effect in memory describes the phenomenon that the items at the beginning  are more likely to be recalled than the items in the middle and at the end.

i believe the correct answer is c