UX RESEARCH | ILLUSTRATIVE ENGAGEMENT
Can a rented mobility device be returned without turning accessibility into staff dependence?
Testing a self service return locker across physical, digital and assistance conditions in Barcelona, Spain.
CLIENT SITUATION
A mobility equipment rental provider was preparing a locker for returning wheelchairs, walking aids and related equipment outside staffed hours.
DECISION REQUIRED
Decide whether the return path was independently usable and where human recovery must remain available.
Why the interaction mattered
A successful screen does not guarantee a successful return. The user may need to locate the correct locker, position the equipment, reach the controls, confirm the asset and retain proof. Accessibility failure at any one point can convert self service into an unplanned staff intervention.
Hypothetical engagement frame
18 PARTICIPANTS
Ten direct users, five companions and three service staff
BARCELONA
Transport interchange and community mobility settings
3 LANGUAGES
Spanish, Catalan and English interface paths
6 WEEKS
Co design, testing, recovery analysis and retest
Research decision
COMPLETE
Which users can finish the return without assistance?
RECOVER
What is the least assistance needed after a barrier?
CONFIRM
Does the user leave with clear proof and next steps?
Note: The setting, participant counts, findings and recommendations are hypothetical. The example does not describe a completed client engagement.
PARTICIPANT AND OUTREACH DESIGN
Recruit by task conditions and access needs
The sample does not treat disability as one user group. Recruitment focuses on the capabilities and assistance conditions that change the return task.
Participant structure
10 direct equipment users
People returning a rented wheelchair, walking aid or related mobility device
5 companions or caregivers
People who may support transport, positioning or digital confirmation
3 service staff
People responsible for remote help, locker exceptions and return verification
Capability coverage
Mobility, reach, dexterity, vision, hearing, language and digital confidence relevant to the task
Prior exposure
First time locker users and people familiar with self service collection or return
Equipment context
Different device size, manoeuvring requirement and proof of return need
Outreach route
Barcelona disability organisations, rehabilitation and mobility support networks
Client approved recent users contacted separately from service assessment
Preferred Spanish, Catalan or English path confirmed before scheduling
Travel, companion, rest, communication and equipment needs recorded privately
Choice of recording mode and right to pause or withdraw without affecting service
Why independent research adds value
Users may accept staff help politely and still leave without an independently usable return path. A neutral researcher can separate chosen assistance from assistance caused by the design and can gather candid feedback without affecting the rental relationship.
RESEARCH METHOD
Capability and Recovery Route Test
The same return is examined across physical access, interface use, proof and human recovery. The objective is not assistance avoidance; it is appropriate control and choice.
Test environment
Testing would use an inactive locker, controlled replica or closed test period representing a Barcelona transport interchange and community mobility site. Fictitious rental records would be used. Participants would not risk losing a real deposit or rental record.
Return task path
1. LOCATE
Find the assigned return point
2. ACCESS
Open and position at the locker
3. IDENTIFY
Match equipment and rental record
4. DEPOSIT
Place, close and confirm return
5. PROVE
Receive usable evidence and next step
Assistance threshold
LEVEL | RESEARCHER RESPONSE | WHAT IT REVEALS |
|---|---|---|
0 INDEPENDENT | No assistance requested or introduced | Path supports the participant's chosen strategy |
1 LIGHT PROMPT | Neutral orientation or repeat of available information | Cue is present but difficult to locate or interpret |
2 STAFF RECOVERY | Human help completes or safely redirects the return | Self service path has reached a practical barrier |
Evidence captured
PHYSICAL PATH
Approach, reach, manoeuvre and door operation
DIGITAL PATH
Language, identification, feedback and timeout
ASSISTANCE
Trigger, chosen helper and minimum intervention
CONFIDENCE
Proof retained and understanding of what happens next
QUESTION DESIGN
Questions follow the participant's chosen strategy
The moderator does not assume that independence is the preferred outcome. Questions examine control, confidence and whether assistance was chosen or required.
Example task background
TASK PROMPT
Your rental period has ended and the staffed desk is closed. Return the assigned mobility equipment using the locker and leave with enough evidence to know that the return has been accepted. Use help only when you would normally choose to do so.
Sample questions after the task
How did you decide which locker or return point was intended for you?
Tests location and eligibility cues.
At the door, what did you expect to happen when you used the control?
Examines physical and digital feedback as one interaction.
What made positioning the equipment easier or harder at this point?
Links the barrier to space, reach, door or equipment condition.
When the equipment record appeared, how did you decide it matched your rental?
Tests identity and confirmation evidence.
You asked for help here. What made assistance preferable or necessary?
Separates chosen support from design caused dependence.
What proof would you keep after leaving, and what would you do if it did not arrive?
Tests confidence and recovery after the physical return.
Questions for service staff
Q07
What information would you need to recover this return without asking the user to repeat the whole task?
Defines a continuity preserving support view.
Q08
Which barrier should trigger remote help, an alternative return or a staffed appointment?
Clarifies recovery choices rather than one generic failure state.
ILLUSTRATIVE FINDINGS
Where assistance entered the return
Hypothetical task evidence from 15 returning participants shows the minimum support needed at each checkpoint. Three service staff were studied separately.
Assistance distribution by checkpoint
CHECKPOINT | INDEPENDENT | LIGHT PROMPT | STAFF RECOVERY |
|---|---|---|---|
Find assigned locker | 12/15 | 2/15 | 1/15 |
Open and position equipment | 9/15 | 3/15 | 3/15 |
Confirm equipment identity | 10/15 | 4/15 | 1/15 |
Obtain proof of return | 8/15 | 5/15 | 2/15 |
Note: Counts are hypothetical. Assistance level records what was needed in the tested interface, not a judgement about the participant's capability.
Physical and digital interaction map
TASK POINT | PHYSICAL CUE | DIGITAL CUE | RECOVERY ROUTE |
|---|---|---|---|
ACCESS | Clearance, reach and door movement | Locker identity and state | Alternative compartment or staff help |
DEPOSIT | Positioning and closure | Asset match and confirmation | Resume without losing record |
PROOF | Return complete | Receipt and deposit status | SMS, email or support retrieval |
Illustrative decision
REVISE THE ACCESS AND PROOF PATHS
Proceed with the locker concept after improving door and positioning feedback, simplifying identity confirmation and making proof recoverable through more than one channel.
DECISION AND DELIVERY
What the client receives
The outputs show where the return becomes dependent on assistance and what a respectful recovery route must preserve.
Capability Task Map
Physical and digital demands at every return checkpoint
Assistance Trigger Register
What caused a prompt, staff recovery or alternative return
Accessible Recovery Blueprint
Information and control that must survive a channel change
Inclusive Retest Criteria
Observable completion, choice and proof conditions for the revised locker
Delivery sequence
WEEK 1
Access planning and co design
WEEK 2
Recruitment and environment setup
WEEKS 3-4
Return sessions and staff recovery
WEEK 5
Capability analysis and redesign
WEEK 6
Inclusive focused retest
Timing is indicative and depends on community partner response, participant access preferences, language, equipment availability, travel within Barcelona, site permissions and prototype readiness.
FAQ
Does this research certify accessibility or equipment safety?
No. It evaluates the return interaction with relevant users. It does not replace formal accessibility conformance, clinical, equipment, safety, regulatory, building or legal assessment.
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Tell us the user, equipment, critical return task, interface, access conditions, languages, markets and decision you need to make. August Research will design the outreach, environment, recovery test and decision outputs around the interaction that matters.
