Table 3.

Overview of therapist and observer instruments per time point (months)

Instruments/months	I	A	0	1	2	3	6	END	FU 6 m	FU 12 m
Process/Predictors
WAI-S				X	X	X	X	X
Modes/Level of discourse				X	X	X	X	X
Other measures
End of treatment questionnaire								X

I Intake, A Assessment, 0 Start of therapy, 1/2/3/6 Months in therapy, END End of therapy (at 8–12 months), FU 6 m Follow-up at 6 month after end of therapy, FU 12 Follow up at 12 months after end of therapy