CPR

Screen 1: Guided Practice (Model the Task)

Full cues reduce stress and help beginners follow the correct CPR sequence.

Pulse Check Timer

10s

Compression Rate

100–120 bpm

Metronome guidance

Compression Depth

2–2.4 in

5–6 cm

Hand overlay Metronome No leaning Call 911 / Get AED

Purpose

Model the correct CPR procedure and reduce cognitive load for beginners.

On-screen reminders

Call 911 Get AED

These reminders reduce hesitation in emergencies.

Screen 2: Partial Support (Fade Help)

Remove some cues so learners must recall the order and timing.

No checklist No metronome No reminders Only depth feedback

Learners must remember

Order of CPR steps
Compression rate (100–120 bpm)
When to give rescue breaths

Purpose

Transition from recognition-based learning to recall.

Optional memory anchor

CAB 30:2 ≤10s

Screen 3: Independent Use (Assessment)

No cues. Scenario-based timed simulation.

Background Timer

00:00

Scenario

Unresponsive

Goal

Perform CPR correctly

System evaluates

Activate EMS immediately
Pulse check ≤ 10 seconds
Compression rate 100–120 bpm
Compression depth 2–2.4 inches
Interruptions < 10 seconds

Purpose

Assess true skill mastery under realistic conditions.

（Prototype）This page shows how an assessment UI could work.

Peer Test: Observe memory strategies

Ask a peer to order the steps. Record whether they use chunking/mnemonics and where they get stuck.

Observation Item	Yes	No	Notes

Recommendations

Screen 1: Guided Practice (Model the Task)

Purpose

On-screen reminders

Screen 2: Partial Support (Fade Help)

Learners must remember

Purpose

Optional memory anchor

Screen 3: Independent Use (Assessment)

System evaluates

Purpose

Peer Test: Observe memory strategies

Copy-ready notes