Table 2.
The number (and %) of subjects remaining at the beginning of each stage of the study. Both cats and dogs were first tested in the laboratory. Then cats had a test at home. Finally, dogs were retested in the laboratory and a retest was also planned for cats in the laboratory, but it was cancelled due to COVID-19.
| Study stages | Analyses | Lab | Home | Lab (Retest) | ||
|---|---|---|---|---|---|---|
| Cats | Dogs | Cats | Dogs | Cats* | ||
| Familiarization phase | 43 | 21 | 23 | 15 | – | |
| Motivation test |
41 (95.3%) |
21 (100%) |
23 (100%) |
15 (100%) |
– | |
| Pointing test |
36 (83.7%) |
21 (100%) |
21 (100%) |
15 (100%) |
– | |
| Choice analysis |
33 (76.7%) |
21 (100%) |
19 (82.6%) |
15 (100%) |
– | |
| Success analysis (of subjects that made a choice in at least half of the trials) |
15 (34.9%) |
21 (100%) |
14 (60.9%) |
15 (100%) |
– | |
*Canceled due to COVID-19.