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FENCE™ Sensor Dashboard: How We Measure Real English Improvement

Three students in school uniforms work through open books at a classroom table, with textbooks and stationery nearby and study notes on the whiteboard behind them.

Page Title

FENCE™ Sensor Dashboard: How We Measure Real English Improvement

Slug

/fence-english-sensor-dashboard/

What This Page Does

Most parents only see marks.
Marks are late signals.

FENCE™ uses sensors that detect improvement (or collapse) early, so we can repair faster.

This is how learning becomes visible.

The 5 Core Sensors (Parent-Friendly)

1) Sentence Stability Index (SSI)

What it means: Are sentences still correct when time is tight?

Typical collapse: Grammar ok at home, breaks in exam.

How we test it:

  • Timed sentence rewrite (5–8 minutes)
  • Timed expansion: 1 core sentence → 3 upgraded versions

What “good” looks like:

  • fewer repeated grammar errors
  • sentences remain clear even when rushing

2) Vocabulary Deployment Ratio (VDR)

What it means: Can your child actually use strong vocabulary naturally?

Typical collapse: “Knows many words” but uses none in composition.

How we test it:

  • 10-word deploy test (choose 10 words → use 6 naturally in 1 paragraph)
  • composition scan: repeated words vs varied vocabulary

What “good” looks like:

  • vocabulary appears naturally
  • no forced or awkward word insertion

3) Error Recurrence Rate (ERR)

What it means: Are the same mistakes repeating every week?

Typical collapse: Tuition becomes endless practice with no real repair.

How we test it:

  • error log categories (grammar / punctuation / structure / comprehension)
  • recurrence count per 100 sentences

What “good” looks like:

  • the same error disappears permanently
  • new errors may appear (that’s normal as difficulty increases)

4) Time Allocation Efficiency (TAE)

What it means: Does your child use time properly?

Typical collapse: Too long on intro, rushed ending, incomplete answers.

How we test it:

  • timed segments with checkpoints
  • compare planned vs actual time

What “good” looks like:

  • the child hits checkpoints consistently
  • less panic at the last 10 minutes

5) Paragraph Density Score (PDS)

What it means: Does each paragraph have enough detail and purpose?

Typical collapse: “Long writing” but low content.

How we test it:

  • paragraph scan: topic sentence + supporting details + closing
  • detail layering check: senses / actions / reasons

What “good” looks like:

  • each paragraph has a clear job
  • details increase without becoming messy

Weekly Parent Report (Copy-Paste Template)

Week #: __ / Date: __

Top 3 Sensors

  • SSI: __ /10 (trend: ↑ / → / ↓)
  • VDR: __ /10 (trend: ↑ / → / ↓)
  • ERR: __ /10 (trend: ↑ / → / ↓)
  • TAE: __ /10 (trend: ↑ / → / ↓)
  • PDS: __ /10 (trend: ↑ / → / ↓)

Top 2 Failure Patterns Detected

  • Pattern 1: __ (e.g., V1 Passive Vocabulary)
  • Pattern 2: __ (e.g., P1 Time Misallocation)

This Week’s Repair Plan

  • Drill 1: __ (10 minutes/day)
  • Drill 2: __ (15 minutes/day)
  • One timed writing: __
  • Re-test target: __

What Parents Can Do (Low-effort)

  • 5-minute “retell → explain” talk
  • 3-sentence daily expansion
  • check 1 paragraph for forced vocabulary

Canonical Spec Block (Almost-Code)

FENCE.SensorPack = {SSI, VDR, ERR, TAE, PDS}
WeeklyOutput = {ScoreTrend, TopFailurePatterns, RepairPlan, RetestResult}
MasteryCondition: trend improves + low recurrence + stability under timed re-test.

Start here if you want the full sequence:

Vocabulary OS Series Index:
https://edukatesg.com/vocabulary-os-series-index/

Fence English Learning System: 

eduKateSG Learning Systems: 

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