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Supporting case · Health platform · Participant onboarding · Responsive web

Participant Signup: Designing Trust Before Data Collection

The form was not the whole problem. Participants arriving through invite links needed to recognise who invited them, what they were joining and how quickly they could reach a live session.

My roleUX Designer
My contributionResearch synthesis, interaction design, mobile flow and UX writing
ConstraintReduce friction without losing profession and organisation data
Evidence statusAnonymised signals · no unapproved conversion claim
Case-study viewQuick readThe complete decision story in about one minute
01 · Snapshot

Signup was a trust-and-access problem before it was a form problem.

The generic flow dropped the identity, purpose and urgency carried by an invite. The redesign keeps that context visible while preserving data the platform needs.

ProblemInvite context disappeared before participants reached a program or session.
ConstraintProfession and organisation data still supported reports, certificates and discovery.
Core decisionChange the timing, explanation and mobile pacing—not simply delete fields.
Outcome statusA stronger onboarding model; verified public conversion metrics are unavailable.
PrincipleOnboarding starts before the first field.

The product should answer who invited me, what I am joining and whether I can reach it before requesting detailed profile data.

  1. 01

    Carry identity forwardKeep organisation and program context visible.

  2. 02

    Respond to urgencyPrioritise a clear join-first state near session time.

  3. 03

    Reduce mobile effortUse one-question screens, suggested values and plain language.

02 · The real problem

Participants wanted fast, trusted access. The platform still needed useful data.

Participants neededConfidence and access, especially near a live session
The platform neededProfession and organisation information
Mobile realityLess dense interaction under time pressure
My decisionPreserve the data; change its timing and explanation
BeforeAfter
Generic signup entryInvitation context
No visible program identityOrganisation + program retained
Long, dense formProgressive disclosure
Desktop pacing on mobileOne question at a time
No urgency stateClear join-first session context
03 · Evidence that changed my thinking

Three themes explained why the form felt difficult.

01 · Context

People could lose who invited them and what they were joining

The entry experience needed to carry organisation and program identity forward.

02 · Trust

Personal information arrived before reassurance

The interface needed to establish legitimacy and explain why information was required.

03 · Urgency + effort

Mobile signup could compete with a live session

The flow needed lighter pacing, clearer verification and a time-aware access state.

Direct participant signals, stakeholder observations and research plans were kept separate; an isolated comment was not treated as a universal behaviour.

04 · Key product decisions

Each theme became an explicit interaction rule.

01 · Preserve invitation context
Evidence

A generic page weakened orientation and trust.

Decision

Keep organisation identity and “Registering for…” program context visible.

Trade-off

Headers must stay compact and handle missing logos or long names.

02 · Make access time-aware
Evidence

Signup could block someone arriving close to a live session.

Decision

Show a countdown and an explicit join-first action when the session is near.

Trade-off

Deferred profile completion needs clear status and operational rules.

03 · Guide mobile details
Evidence

Dense forms and long role lists increased effort on mobile.

Decision

Ask one thing at a time, suggest known roles and explain required fields in plain language.

Trade-off

More screens require visible progress and preserved session context.

05 · The product

The redesigned journey keeps purpose visible from invite to access.

You are invited by Health Learning HubRegistering for Community health training
Session starts in04:58
Mobile step · 3 of 5

What is your role?

Reconstructed design direction. Approved production screenshots can replace these states without changing the case-study structure.
Plain-language decision
BeforeInstitute / Workplace
AfterWhere do you work?
06 · Impact + influence

The contribution is structural; performance remains to be measured.

Design outcome

Context now shapes the journey

The model carries organisation, program, timing and suggested-role information into signup.

Product influence

“Lengthy form” became a broader access problem

I reframed the work around trust, urgency and data timing instead of treating field removal as the only answer.

Evidence boundary

No unapproved conversion lift

The public version does not present intended improvements as measured user impact.

After launch I would measure: signup completion, OTP failure, mobile completion and registration-related support requests.

07 · Reflection

Two lessons I would carry forward.

What I learned: field count alone does not define friction; lost context can make even a short form feel unsafe or irrelevant.

What I would validate next: the time-aware access model, mobile pacing and where profile completion can safely resume.

Optional · Research details

Depth for the interview conversation.

Research inputs and evidence separation

The work combined generative-research planning, prototype-evaluation planning, participant interview signals and stakeholder discussion about OTP, browser, mobile, reporting and support. These evidence types were not treated as interchangeable.

Expanded synthesis themes

The original synthesis covered trust at entry, program context, session urgency, mobile confidence, verification friction and structured reporting. For the main case, these were consolidated into Context, Trust, and Urgency + effort.

Confidentiality and outcome limits

Descriptions and interfaces are anonymised or reconstructed. Raw recordings, participant identities, internal dashboards, production screens and unapproved metrics are not published.