Table 1.

Taxonomy for Delivery Characteristics

Dimension	Definition	Options Checklist
Mode	Method of contact between interventionist and participant	Face to face (individual or group) Telephone (individual or group) Internet (individual or group) Video/CD instruction Telephone contact with computer Mailing of written material Personal digital assistant (PDA), cell phone
Materials	Materials used in the delivery of the intervention	Manuals/workbooks Information sheets/checklists Pamphlets Videotapes Audiotapes CDs/DVDs Assistive devices Internet
Location	Where the intervention is delivered	Participant’s home Classroom Health care provider’s office Hospital, clinic, operating room Work site Community center Nursing home Group residence facility Research facility
Schedule	Duration and intensity of intervention	Overall duration of the intervention Number of sessions Minutes of contact per session Distribution of sessions over time
Scripting	Level of detail guiding interaction between the interventionist and the participant	Exact script/protocol provided Specific language provided with elaboration allowed/not allowed Goals/tasks specified but no further scripting General guidelines provided
Sensitivity to participant characteristics	Extent to which participant background, experience and abilities are incorporated in the delivery of intervention	Intervention materials and delivery in language preferred by participant Materials written for specific reading or health literacy level Visual supplements, augmentative communication devices for hearing impaired Oral supplements and visual enhancements for vision impaired
Interventionist characteristics	Qualifications and training, concordance with participant characteristics	Required disciplinary/professional expertise for interventionists Licensing/certification requirements Type and quantity of training provided Proficiency tests passed Race/ethnicity/age/gender matching of interventionist to participant Intervention staff recruited from participant community Interventionist knowledgeable of cultural views and values of participants
Adaptability	Extent to which intervention can be modified. What can be modified On what basis modifications are made When in the course of the study modifications can be made	What: number/schedule/duration of sessions location mode of delivery content/target dosage On what basis: participant assessment participant progress spontaneous request secular event clinical judgment checklist/lab test results, performance outcomes When: intake baseline specified intervals during intervention
Treatment implementation	Treatment Delivery: Documentation of interventionist compliance to intended treatment and modifications Treatment Receipt: Extent to which processes are implemented by participant and/or goals are met Treatment Enactment: Extent to which knowledge and skills acquired during treatment are applied in real world settings outside of treatment	Number and duration of sessions Content delivered Knowledge, skills, motivation, self-efficacy, social support/integration, changes in pathophysiology assessed in participant Direct observation, self-report, observer report of participant