Table 4.

Overview of the assessments (therapists).

Variable	Instrument	Time of measurement
		T0	T1	T2	T3	T4	T5
Working alliance	WAI-SR-T				X
Sociodemographics	SR	X
Attitudes toward blended therapy	APOI	X			X*
Attitudes toward evidence-based practice	EBPAS-D36	X
Willingness to use digital health interventions	SR	X
Barriers/facilitators in the use of digital health interventions	SR	X
Acceptance of components of blended therapy	SR	X
Determinants of behavioral change	TDF				X*
Degree of normalization	NoMAD				X*

T0, Baseline; T1, 6 weeks; T2, 12 weeks; T3, 18 weeks post inclusion; T4, 24 weeks post inclusion; T5, 12 months post inclusion follow-up; WAI-SR-T, Working Alliance Inventory—Short Revised therapist version; SR, Self-Report Assessment; APOI, Attitudes toward Psychological Online Interventions; EBPAS-D36, Evidence-based Practice Attitude Scale-36; TDF, Theoretical Domain Framework Questionnaire; NoMAD, Normalization Measure Development Questionnaire;

^*Assessment at the end of the entire study.