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Observation sheet: one per participant

Participant code: P__ Date: __ Facilitator: __ Pilot (not counted): [ ]

Consent given: [ ] yes Recording consent: [ ] yes [ ] no Technical problems: __

Timeline (write the T+ shown in the header)

T+ What happened (their words in quotes) Hint level (1, 2, 3) or slip
Feed started

Key moments (fill from the timeline):

Moment T+
Feed started
First verbal sign that uav2 has a problem (exact words below)
Alert card appeared (from the audit log, raised_s)
Read the "If you approve" list aloud or pointed at it
Opened the confirmation dialog
Decided

Exact words when they first noticed: __________

Decision: [ ] approved [ ] denied [ ] let it expire Reason in their words: __

Did the countdown run out? [ ] no [ ] yes, how many times: __

After the session (from the log)

python -m eval.usability logs/usability/P__.sqlite

Time to decision: __ s Time to notice (= first verbal sign minus alert time): ____ s

Rejected decision attempts (for example acting on an expired card): ____

Phase 3 answers (word for word) and score

Question Answer Point (0/1)
Q1 What did your decision do?
Q1 (second point) what happened to the sector
Q2 Where is S2 now, who flies it?
Q3 Can you trust uav2's position now? How do you know?
Q4 What did the dashed ring mean? (not scored) n/a

Understanding score (0 to 4): ____

Debrief (word for word)

  1. Most confusing: ______________
  2. Missing: __________
  3. What "Position error: unknown", "within 3 m, 99% of reports" and "Margin to alert" mean to them:

  1. Noticed the label in the top right? What did they take it to mean: ________
  2. First thing they would change: ________
  3. Would they want it, why: _____________

Hints and slips

Hints given: level 1 x __ level 2 x __ level 3 x __ Slips: ______________

Problems seen in this session

# Problem (what happened, where on the screen) Blocker / Major / Minor
1
2
3
4

Questionnaire (hand this page to the participant)

Participant code: P__

Please answer for the whole time you were supervising the drones, from the first minute until your decision. Mark each line with a cross at the point that matches your experience.

Mental demand: How mentally demanding was the task?
Very low |----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Very high

Physical demand: How physically demanding was the task?
Very low |----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Very high

Temporal demand: How hurried or rushed was the pace of the task?
Very low |----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Very high

Performance: How successful were you in accomplishing what you were asked to do?
Perfect  |----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Failure

Effort: How hard did you have to work to accomplish your level of performance?
Very low |----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Very high

Frustration: How insecure, discouraged, irritated, stressed and annoyed were you?
Very low |----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Very high

Circle one number, 1 = strongly disagree, 5 = strongly agree.

"I was confident in the decision I made." 1 2 3 4 5

"It was clear to me what approving would do." 1 2 3 4 5


Scoring the questionnaire (facilitator)

Each line has 20 equal intervals. Read the cross as a value from 0 (left end) to 100 (right end), to the nearest 5. Raw TLX is the mean of the six values.

Mental Physical Temporal Performance Effort Frustration Raw TLX (mean) Confident Clear