Table 3.

Mean values (max. 3) and standard deviations of experts’ ratings on whole scale statements

Statement	Experts’ ratings
1. I believe that APERS-PE-SE is a relevant scale for rating program quality for children with ASD in the Swedish preschool	2.56 (0.53)
2. I believe that APERS-PE-SE is a useful scale to rate program quality for children with ASD in the Swedish preschool	2.56 (0.53)
3. I believe that there is a need for a rating scale such as APERS-PE-SE to rate program quality for children with ASD in the Swedish preschool	3.00 (0.00)
4. I believe that it is realistic to practically use APERS-PE-SE to rate program quality for children with ASD in the Swedish preschool	2.11 (0.60)
5. I regard APERS-PE-SE as a scale that I would like to use to rate program quality for children with ASD in the Swedish preschool	2.67 (0.50)
6. I believe that there has been a lack of a good rating scale to rate program quality for children with ASD in the Swedish preschool	3.00 (0.00)