The most impressive evidence that animals are indeed capable of learning language comes from the research done with:

Mokka is a psychiatrist trained in the psychoanalytical approach to psychiatry, while his co-partner, Betsy, was trained in a program that emphasized the behavioral approach. According to assessment guidelines, which statement accurately describes best practices in assessment?

A. Mokka should use only the psychoanalytical approach to psychiatry to define his client's assessment. B. Betsy should use only the behavioral approach to psychiatry to define her client's assessment. C. Mokka and Betsy are better served if they discuss their differing views and come together to develop a collaborative, multifaceted assessment approach. D. Mokka and Betsy should consider using completely different approaches to their assessments.

One challenge of stepfamilies is there is often a fair amount of ________, in which roles and expectations are unclear

Fill in the blank with the appropriate word.