Table 2.

Guttman scalogram patterns

Task	Pattern
	0	1	2	3	4	Other patterns
Helping	–	+	+	+	+
REI or communication: Point	–	–	+	+	+
Communication: Gaze or Cooperation: Tubes	–	–	–	+	+
Cooperation: trampoline	–	–	–	–	+
Number of cases	4	7	19	29	14	13
Average age (m)	14.8	16.9	19.7	23.6	27.1	21.5
Age range	14–17	14–23	14–27	15–33	22–34	14–27