Abstract
We examine that the gender differences in the sensitivity of the influence from others using swimming data. We focus on the existence of competitor and existence of co-worker, and measure the impact of both effects. Using absent-competitor data, we can compare directly the performance of individual swimmers with and without an adjacent competitor. We found female swims faster with competitors than male. We also compare the records of medley relay records and that of the individual event, and found female cannot do better with co-workers than alone.
