Now, what we found was really interesting, because witnesses' performance decreased, too -- and not just marginally, quite significantly.
그 결과는 매우 흥미로웠습니다. 왜나하면 목격자들의 업무 능률도 감소했는데 조금이 아니라 꽤 상당히 줄어들었기 때문이죠.