Figures & data
Table 1. Search criteria table.
Table 2. Overview of search results and study selection.
Table 3. Study selection criteria.
Figure 1. Flow diagram of PRISMA process.
Table 5. AI classified by type and roles.
Figure 2. Geographic mapping of the included studies.
Figure 3. Identified publications per year.
Table 4. Studies included in the systematic review.
Figure 4. Studies categorized into objectives.
Figure 5. Conversational agents classification by type.
Table 6. Evaluation methods used in the studies.
Table 7. Methods for functional evaluation including the measurements and platform/technology used.