Number of correct responses to fresh Hibernia crude oil, positive control and fractions, by each canine.

An alert is represented by A and no alert/ response is represented by N. Within this session, 31 negative controls and distractors were presented. n represents the number of times a sample was presented throughout the trial.

以A代表存在警报信号，以N代表无警报信号或无响应。本次实验会话中共呈现了31个阴性对照（negative controls）与干扰项。参数n代表样本在整个试验过程中被呈现的总次数。