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Table 11 Psychological security and sense of time till stop

From: Approach function study for concierge-type robot by model-based development with user model for human-centred design

TAt

TD slowdown x (mm)

Psychological security

(1worst–5best)

Sense of time till stop

(1long–3appropriate–5short)

Average

Max

Min

Average

Max

Min

0.0

700

1.5

2

1

3.75

5

3

1.4

700

2.25

4

1

4

5

3

0.0

1600

4.75

5

4

2.5

3

2

1.4

1600

4.75

5

4

2.5

3

2