2) a Researcher Asks Participants to Run Around a Running

2) A researcher asks participants to run around a running track and then to take a sports events memory test. She records the position they came in the running and correlates these values with the scores obtained on the memory task, hypothesising that faster runners have better sports event memories.
What would be the appropriate test of correlation that she should use on her data?

A) Pearson's product moment correlation
B) Spearman's rank correlation
C) The point biserial correlation
D) The phi coefficient