Kuoch and Mirenda (2003) conducted a single case design in which they looked at the influences of a social story on the behavior of autistic children. The researchers would observe the participants in certain problem situations, recording their behavior. Then, the researchers would read the participants a story before a problem situation was presented. They would then record the number of behaviors exhibited by the participants in relation to the problem situation. Finally, the researchers removed the story and recorded the number of behaviors the next time the problem situation arose. What type of design is this