Instructional ambiguity | Feedback specificity | Instruction | Identification | Grasp | Total time |
---|---|---|---|---|---|
[s] | [s] | [s] | [s] | ||
Unambiguous | Absent | 7.21 | 2.17 | 4.93 | 14.31 |
Ambiguous | Underspecified | 2.81 | 7.22 | 7.52 | 17.56 |
Uunambiguous | Contrastive | 7.23 | 1.27 | 4.25 | 12.75 |
Ambiguous | Contrastive | 2.80 | 4.21 | 4.94 | 11.96 |