Table 2.
Summary of predictions and results for all models.
| Models & Predictions | Supported? | ||||
|---|---|---|---|---|---|
| 1. Participation in E… | Decreases Across Sessions is Predicted by: Sex Age Time (am/pm) |
No * No No Yes |
|||
| E Presence/Participation Predicts a/an… | E Presence (Models 2–9) | Participation (Models 2b–9b) | |||
| Short–Term | Long–Term | ||||
| Baseline ≠ E | Pre ≠ E | Pre ≠ Post | |||
| 2/2b Increase in Tool Use | Yes | Yes | Yes | Yes | |
| 3/3b Increase in Feeding | Yes | Yes | Yes | Yes | |
| 4/4b Decrease in Inactivity | Yes | Yes | Yes | Yes | |
| 5/5b Decrease in Abnormal Behaviors | Yes | No | No ** | No | |
| 6 Decrease in Self-Directed Behaviors | Yes | No ** | No ** | – | |
| 6b Decrease in Rubs and Scratches | – | – | – | No | |
| 7/7b Increase in Social Proximity | No | Yes | Yes | Yes | |
| 8/8b Decrease in Affiliation-related Behaviors | No | No ** | No ** | No | |
| 9/9b Increase in Aggression-related Behaviors | No | Yes | No | No | |
| 10. E Presence Predicts Changes in Proximity Social Networks | No | ||||
* Model 1 predicted an increase in participation across sessions. ** Significant differences between phases, but in the opposite direction of the one predicted. E stands for Enrichment.