One-year change in repetitive behaviours in young children with communication disorders including autism.

Honey et al. (2008) watched the same group of preschoolers with autism or other communication delays for 13 months.

They used the ADI-R interview to score how intense each child’s repetitive behaviors were.

Parents also rated how much those behaviors got in the way of daily life.

The ADI-R scores went up over the year, meaning the behaviors looked more severe on paper.

At the same time, parents said the behaviors bothered family life less.

So the numbers rose, but the real-world hassle dropped.

Harrop et al. (2016) extends this picture. They tracked both kids and parents and showed that when RRBs grow, caregiver stress grows right alongside.

That seems like the opposite of Emma’s parent-ratings, but Clare measured stress while Emma measured daily hassle—two different lenses.

Hattier et al. (2011) looks like a contradiction: in adults with ASD, repetitive behaviors stayed flat with age. The difference is age group. Preschool brains are still wiring up fast, so scores can climb; adult patterns are more set.

Your data sheet may show more stereotypy or rituals this month than last. Before you panic, ask the family, “Is this actually harder to live with?” If the answer is no, keep teaching communication and play skills and let time do its work. If the answer is yes, loop in parent stress data—then a targeted RRB plan is worth it.