How Have Studies Examining the Effects of Environmental Enrichment with Animals

How have studies examining the effects of environmental enrichment with animals and humans assisted occupational therapy practitioners in the delivery of clinic-based sensory integration (SI) interventions?

A) They have shown the importance of being playful and child-directed.
B) They have shown the importance of well-equipped clinic spaces with affordances for providing a vast variety of sensory input in the context of treatment.
C) They have shown the importance of giving clear concise feedback and maintaining safety in the context of treatment.
D) They have highlighted the importance of keeping true to all of the intervention methods first developed and described by Ayres in the early 1960s.