Answer: Level of processing
Step-by-step explanation:
This experiment shows that the level of processing is very important when it comes to memory.
The group of words when related to its meaning is remembered more efficiently as compared to the group of words without meaning.
The reason is level of processing which states that memory depends on how the information is programmed into the mind.
Deeper the processing better encoding so group B had a better retrieval as compared to group A.