Table 1.

Examples of how four learned embodied agents differ in design.

	Huang et al. [74]	Ding et al. [117]	Lee et al. [88]	Biancardi et al. [119]
mind level	Level-0	Level-1	Level-2	Level-2
learning obj.	fit-to-data	fit-to-data	fit-to-data	expected reward
segmentation	continuous	end-of-utterance	eliciting cue	end-of-utterance
self-aware	no	no	yes	yes
evaluation	third person with hand-crafted control	first person with human control	first person with Level-0 control	first person with Level-0 and random control