Researchers have described four categories of social status. Which children were the ones who were the most often "disliked" and rarely "liked"?

A child has autism spectrum disorder and does not like much variation in his life. He puts his toys on a shelf in a particular order and throws a tantrum if his mother moves any of them. Any one of several trivial changes in his daily routine can set him off. This is an example of:

A) overstimulation. B) stimulus over selectivity. C) a self-stimulatory behavior. D) a perseveration of sameness.

What are the assumptions of the z test?

What will be an ideal response?