A Group of Third- and Fifth-Grade Students Were Tasked with Remembering

A group of third- and fifth-grade students were tasked with remembering a list of vocabulary words which were all new to them and unknown as they were related to playing the game croquet. Prior to testing, half of the children across both age groups were given a tutorial on how to play croquet and saw videos of the game. Which of the follow most likely happened?

A) The fifth graders without croquet experience did better in learning the new vocabulary words than the fifth graders who received the tutorial.
B) Across both age groups, the children who received the tutorial did better on the vocabulary test than the children who did not.
C) Children who played any kind of sport learned the vocabulary words better than those who did not play a sport.
D) The fifth-grade children outperformed the third graders on the vocabulary test, regardless of their experience with croquet.
E) The third-grade children who had experience with croquet outperformed all other children on the vocabulary test.