Table 2.  The function of each student's challenging behavior from the functional assessment, the main contents of the consultation, and the effect size.

Student	Target Behavior	Function	Consultation	Times	Effect size
S1	Hitting one’s head with one’s hands	Sensory, Demand, Escape/ Avoidance	Extinction by headgear	4	100
	Hitting one’s head on the floor	Sensory, Demand, Escape/ Avoidance, Attention	Using communication cards		88.89
S2	Biting one’s wrist	Demand, Escape/Avoidance, Sensory	Using communication cards	3	36.17
S3	Shouting and making a strange noise	Escape/Avoidance	Adjusting the environment	3	44.45
	Grabbing the teacher	Escape/Avoidance, Attention	Using communication cards		73.52
S4	Kicking and hitting teachers	Escape/Avoidance	Behavioral contract	5	100
S5	Hitting and scratching own cheek	Sensory	Teaching alternative sensory play	3	NA
S6	Crying	Escape/Avoidance	Adjusting the environment	6	78.57
			Differential reinforcement of on-task behavior
S7	Repetitively turning lights on and off	Sensory	Teaching alternative sensory play	4	NA
S8	Hitting and scratching teachers or classmates	Escape/Avoidance, Attention	Adjusting the environment	6	100
			Teaching alternative play

NA, not applicable (There was no behavior record)