Cochlear implant debate

Open your materials, follow the steps, then turn in your work.

Build and defend a claim-evidence-reasoning position on whether cochlear implants should be standard care for deaf children.

1. Open your materials

Use the materials named in the first step below. Open lesson resources.

2. Start the work

Open the PLTW course shell and read the cochlear implant case brief before you write anything.

Show all 5 required steps
  1. Open the PLTW course shell and read the cochlear implant case brief before you write anything.
  2. Write two prepared debate questions that get at the ethics of changing a child's hearing.
  3. Draft one CER contribution: a claim about cochlear implants, two pieces of evidence, and your reasoning.
  4. In the live debate, listen for one opposing point and note how it challenges your reasoning.
  5. Post your CER and a three-sentence reflection on what changed your mind, in the course shell.

Lost your place? Lost your place? Open the PLTW course shell and find the cochlear implant case brief. If you have read it, your next move is to draft your CER: one claim, two pieces of evidence, and your reasoning, then post it with a three-sentence reflection.

Check your work before submitting

  • You'll be able to state a defensible claim about cochlear implants backed by evidence.
  • You'll be able to respond to an opposing argument without dismissing it.

3. Turn in your work

DueCheck Schoology
Hand in
One CER (claim, two evidences, reasoning) on cochlear implant ethics plus a three-sentence reflection.
How to submit and name your file

Use the submission route shown on today's today's page.

In Schoology, open your course and the assignment for this lesson. Attach your file, select Submit, and check that it appears in the submission.

PDF upload help

You get two school days for every day you were absent, so this deadline moves with you.

Find this lesson's Schoology assignments

These are existing assignments for your section. Follow the directions in the assignment you are working on; this list does not add new work. Check Schoology for each deadline.

Link will not open? Open Schoology, choose your course and section, and find the title shown above.

How this lesson connects

Keep using what you learned last class: Resistance genes ride on plasmids that bacteria pass sideways through conjugation, transformation, and transduction, so a susceptible cell can become multi-drug resistant in one transfer, which is why superbugs spread resistance faster than mutation alone ever could. Today: A cochlear implant carries a hidden claim about what counts as normal, so deciding to use it on a child who cannot consent is an ethical choice, not just a clinical one.

Optional: listen or watch a unit review
Optional unit study notebook
How the immune system defends the body and how vaccines build protection.
Open the notebook
Optional review video
Audio overviewVideo overviewMind mapStudy guideFlashcardsQuizData table
Need help? Warm-up, timing, and directions

💡 Big idea: A cochlear implant carries a hidden claim about what counts as normal, so deciding to use it on a child who cannot consent is an ethical choice, not just a clinical one.

  1. 0-5Hook audio demo and framing question
  2. 5-20Silent read of cochlear implant case brief; draft two debate questions
  3. 20-35CER draft: claim, evidence x2, reasoning
  4. 35-65Structured debate: two rounds, affirmative and negative positions
  5. 65-75Individual written reflection (what changed your mind?)
  6. 75-80Post CER and reflection to course shell; teacher closes
Mr. Mendoza's 5-minute intro
  • Hook: Play 10 seconds of audiologist-recorded speech at 70 dB loss, then at normal volume.
  • Why it matters: Cochlear implant decisions are made for infants who cannot consent, and they are irreversible.
  • Today's structure: 5 min case brief, 15 min prep, 30 min structured debate, 10 min reflection, 10 min post.
  • Exit goal: Your CER and reflection posted before the bell.
Know by the end
  • A cochlear implant converts sound to electrical signals that stimulate the auditory nerve, bypassing damaged hair cells.
  • The Deaf community debate centers on identity and consent, not just clinical outcome.
  • A CER requires a falsifiable claim, specific evidence, and reasoning that connects them.

PLTW connection and today's work

Open the cochlear implant debate activity in myPLTW for Lesson 1.3 The Aftermath, Hearing Loss, specifically Activity 1.3.3 Cochlear Implant Debate, and review the CER rubric.

Today's stopping point: Activity 1.2.3 Attack of the Superbugs (culturing) should be submitted; this is your first Lesson 1.3 benchmark.

PLTW activity titles identify the course connection. If your account will not open, use the posted materials for today and tell Mr. Mendoza. Do not mark an online activity complete unless you completed it.

Course connection

  • Activity 1.3.3 Cochlear Implants
Open Activity 1.3.3 Cochlear Implants in myPLTW

Use the turn-in directions at the top of this page. Do not create a second submission unless your teacher asks for one.

Show another explanation or a smaller first step

Need help? Choose a starting point

Need a running start
Warm up by writing what a claim, evidence, and reasoning each mean in one line, using a low-stakes example like whether school should start later, so the CER structure is muscle memory before you apply it to the implant.
On track
Draft a falsifiable claim about cochlear implants for infants, back it with two specific pieces of evidence from the brief, and write reasoning that explains why that evidence supports your claim rather than just restating it.
Stuck? Get unstuck
Start from the sentence stem 'I claim that... because the evidence shows... which matters because...' and fill each blank with one fact from the brief; getting one honest CER on paper beats a polished paragraph you copied.
Push me further
Argue the side you disagree with as strongly as you can, then write one sentence naming the single piece of evidence that would actually change your own mind. If you cannot name one, your claim is not falsifiable yet.
Lesson resources: reading, slides, and vocabulary
Socratic teaching slide deck

The deck carries the prior idea forward, lets you inspect an analogy, maps the rule to biology, and ends with the same evidence decision and exit ticket used on this page.

Generated from this lesson's canonical data with a red-team citation check.

Carry forward

Resistance genes ride on plasmids that bacteria pass sideways through conjugation, , and transduction, so a susceptible cell can become multi-drug resistant in one transfer, which is why superbugs spread resistance faster than alone ever could.

Daily take-home

A cochlear implant carries a hidden claim about what counts as normal, so deciding to use it on a child who cannot consent is an ethical choice, not just a clinical one.

Inspect the analogy

A review board sorts scientific evidence, stakeholder needs, possible benefits, possible burdens, and uncertainty before choosing a policy.

  1. Which statements are scientific evidence?
  2. Which statements express a value or priority?
  3. Who receives the benefit and who carries the burden?
Rule

Use science to estimate consequences, then state the value judgment and tradeoff that determine the decision.

Where it breaks

A review-board model organizes reasoning but does not make one ethical principle automatically outweigh every other principle.

Map the analogy to biology
  • Evidence cards map to source-backed findings.
  • Stakeholder cards map to affected people and priorities.
  • The recommendation maps to an explicit tradeoff with a named uncertainty.
Read this first

Driving question: Should a cochlear implant be standard care for a deaf infant when the surgery works best before age two, before the child can say yes or no?

What you already know: Resistance genes ride on plasmids that bacteria pass sideways through conjugation, , and transduction, so a susceptible cell can become multi-drug resistant in one transfer, which is why superbugs spread resistance faster than alone ever could.

New idea: A cochlear implant carries a hidden claim about what counts as normal, so deciding to use it on a child who cannot consent is an ethical choice, not just a clinical one.

Visual or model: F1. F1. A lesson illustration or teaching diagram for Cochlear implant debate. Use it with E1-E3; it is a model or context image, not experimental or patient data. What to notice: Trace the labeled testing, treatment, or biological process and identify where evidence limits the decision.

  1. Observe or measure the relevant feature in cochlear implant debate.
  2. Organize the observation with a stable evidence ID.
  3. Apply this rule: Use science to estimate consequences, then state the value judgment and tradeoff that determine the decision.
  4. Choose the option the evidence supports and state the limit of the conclusion.

Real biomedical example: Should a cochlear implant be standard care for a deaf infant when the surgery works best before age two, before the child can say yes or no?

What the evidence supports: E1-E3 and F1 support the daily take-home when the response meets the stated success criteria.

What it cannot prove: The package does not support claims beyond this lesson's or any real patient diagnosis.

Vocabulary:
  • : The spiral, snail-shaped part of the inner ear that turns sound vibrations into nerve signals the brain reads as hearing.
  • : A sensory cell in the inner ear with tiny hair-like bundles that convert sound vibrations or movement into nerve signals the brain can read.
  • : A graph from a hearing test that plots the softest sounds a person can hear at different pitches, showing the type and degree of any hearing loss.
  • : A preparation that delivers an (or the instructions to make one) so the immune system learns to recognize the real later.
  • : Protection that arises when enough people in a community are immune to a disease that its spread slows and shields those who are not immune.
  • : The part of the immune system that learns a specific , builds targeted antibodies and memory cells, and responds faster the next time it appears.

Use it now: Choose one decision option. Cite E1 and E3, then explain how the rule connects the evidence to your choice.

Go further, optional: The source links below are optional enrichment. Every fact required for today's local evidence decision appears in this lesson package.

Evidence set and decision
E1 · Source fact

A defensible biomedical decision separates scientific evidence from value judgments, identifies who may benefit or be burdened, and states the uncertainty and tradeoffs that remain.

Limit: Scientific evidence can inform the options and likely consequences, but it cannot choose a single value-neutral answer.

E2 · Teaching model

Use science to estimate consequences, then state the value judgment and tradeoff that determine the decision.

Limit: A review-board model organizes reasoning but does not make one ethical principle automatically outweigh every other principle.

E3 · Task criterion

You can state a defensible claim about cochlear implants backed by evidence.

Limit: E3 defines the classroom product or success criterion. It is not independent scientific evidence and cannot justify a clinical or causal claim.

PLTW-GEND-2026-10-07 · Simulated classroom evidence scenario

Your role: medical interventions team member

Decision: Your team must decide what the evidence from cochlear implant debate supports before submitting the claim-evidence-reasoning response named on today's page.

  • Call the line near the top of the chart the worse hearing, since a higher spot means a higher number.
  • Test actual speech understanding before saying which everyday sounds this patient misses, since thresholds alone do not predict that.
  • Read a line farther down the chart as worse hearing, because it took a louder sound before the patient responded.

Response: State one choice, cite at least two evidence IDs, explain the rule that connects them, and add one limitation. Submit it as the claim-evidence-reasoning response.

Claim ceiling: Today's evidence supports a classroom claim about cochlear implant debate. It cannot prove causation, diagnose a real patient, or justify action outside this room.

Composite case file · PLTW-GEND-2026-10-07

Reason for review: Your team must decide what the evidence from cochlear implant debate supports before submitting the claim-evidence-reasoning response named on today's page.

Context: A medical intervention is never only a clinical choice; it also carries a claim about what counts as normal, and the people living inside that claim have a stake in the decision.

Timeline:
  • T1: Open the PLTW course shell and read the cochlear implant case brief before you write anything.
  • T2: Write two prepared debate questions that get at the ethics of changing a child's hearing.
  • T3: Draft one CER contribution: a claim about cochlear implants, two pieces of evidence, and your reasoning.
  • T4: In the live debate, listen for one opposing point and note how it challenges your reasoning.
  • T5: Post your CER and a three-sentence reflection on what changed your mind, in the course shell.
Evidence records:
  • E1: A defensible biomedical decision separates scientific evidence from value judgments, identifies who may benefit or be burdened, and states the uncertainty and tradeoffs that remain.
  • E2: Use science to estimate consequences, then state the value judgment and tradeoff that determine the decision.
  • E3: You can state a defensible claim about cochlear implants backed by evidence.

Measurements: Use only the measurements, units, graph, or counts supplied in today's task. No additional patient measurement is implied.

Figure finding: Teaching diagram for Cochlear implant debate. Trace the labeled testing, treatment, or biological process and identify where evidence limits the decision. This is a teaching model, not patient or experimental data.

Uncertainty: This is a composite classroom scenario. Missing history, measurements, or confirmation tests remain unknown and limit the conclusion.

Math moment
Formula or setup

Mean = sum of values / number of values. Median = middle ordered value. Range = maximum - minimum.

Worked parallel example

For 2, 4, 4, and 10: mean = 20 / 4 = 5, median = 4, and range = 10 - 2 = 8.

Units and reasonableness

Mean, median, and range keep the measurement unit. Order the values before finding the median.

Try it with today's data

Calculate the requested summary for today's supplied values, then write what it reveals and what it hides.

Watch the trap

Students often think Students assume a cochlear implant restores normal hearing, so refusing it looks like refusing an obvious cure.. The trap: An implant does not restore normal hearing; it converts sound to electrical signals that stimulate the auditory nerve, and the brain has to learn to read a signal that is coarser than natural hearing. Treating it as a simple cure hides the real question, which is about identity and consent, not just decibels.

Worked example · a parallel case (guides, does not reveal)
Worked CER on a parallel case (newborn genetic screening)
Completes: Parallel model showing the full CER format: a claim on whether an untreatable-condition genetic screen should be added to the newborn panel, two pieces of evidence, reasoning, and a three-sentence reflection. Students copy the structure, not the answer.

Parallel case (not today's prompt): Should a genetic screen for a serious adult-onset condition that has no childhood treatment be added to the standard newborn screening panel that every baby receives at birth?\n\nClaim: A genetic screen for an untreatable adult-onset condition should be offered to parents as an optional add-on, but it should not be folded into the automatic newborn screening panel that every baby receives.\n\nEvidence 1: Standard newborn screening tests a heel-prick blood sample for a set list of conditions, and the panel was built mostly around disorders that can be treated early, such as PKU, where starting a special diet in the first weeks prevents brain damage.\n\nEvidence 2: A result for an adult-onset condition with no childhood treatment does not change the infant's care now, but it creates lifelong knowledge about that person's future body that the newborn cannot yet weigh, and that some people later say they would have chosen not to learn.\n\nReasoning: Because the automatic panel earns its automatic status by catching problems that early action can fix, adding a test that changes nothing in childhood breaks that logic and hands a child a permanent result they never agreed to receive. Offering the screen as a clearly separate choice keeps the medical benefit available for families who want it while protecting the future adult's right to decide what to know about their own body.\n\nReflection: At first I assumed more information at birth is always better, so screening for everything seemed obviously good. Thinking about the difference between a result you can act on now and a result the child will carry for decades made me see that timing and consent matter, not just the test's accuracy. I kept my claim that the screen should exist, but moved it out of the automatic panel and into an informed, opt-in choice.

Why this matters

This model shows the level of evidence and organization needed to complete: Parallel model showing the full CER format: a claim on whether an untreatable-condition genetic screen should be added to the newborn panel, two pieces of evidence, reasoning, and a three-sentence reflection. Students copy the structure, not the answer.

Build yours step by step
  1. Write one defensible claim.
  2. Choose specific evidence that supports the claim.
  3. Explain the scientific rule that connects the evidence to the claim.
Change it for a new task

Keep the structure. Replace the question, facts, measurements, and evidence. Then recheck units, vocabulary, and whether the conclusion goes beyond the evidence.

Also due today: Post your CER and reflection to Schoology before the end of the block.

See the full worked example
Portal terms
CER:
Claim, Evidence, Reasoning: make a claim, back it with evidence, explain your reasoning.
SOP:
Standard Operating Procedure, the exact steps to follow (especially in a lab).
Tracker:
Your PLTW progress log where you record completed evidence.
myPLTW:
The PLTW course site where you do the online activities. Find it in Clever with your Microsoft sign-in, right next to Schoology.
This unit's vocabulary
/AW-dee-oh-gram/

Tap the speaker to hear a term. Add two of these to your notebook glossary with a definition and an example in your own words.

Build your vocabulary · optional, for extra credit

Pick just 2 or 3 words from today and make them yours: write what each one means in your own words, name the context clue or evidence that helped, then give one example from what you actually did in Cochlear implant debate. Try your own words first; the glossary is there if you get stuck. This is voluntary and counts as extra credit, so keep it short.

cochlea
hair cell
audiogram
vaccine
herd immunity
adaptive immunity

Saved on this device. Show Mr. Mendoza or add these to your notebook glossary to claim the extra credit.

Connected learning centerMeasles: More Than a RashMI: Choose a proportionate intervention. Use this case to apply today's lesson to verified outbreak evidence.
Teacher-posted resources

Classroom documents for this lesson are posted in Schoology. Open Clever, then Schoology, and find each one by the name shown on its card.

Use during lessonFor: Everyone
MI COVID Activity 3: Onward Toward a Vaccine
worksheet/handoutPosted in Schoology
Open in Schoology

Use this with the vaccination lesson to connect development to a real example.

Placement rationale

Relocated to the vaccination lesson (Unit 1.4), where the COVID activity supports the day. Visibility: student-schoology.

Catch-up / reteachFor: Need extra support
Lesson 1.3 Hearing Loss Key Terms
worksheet/handoutPosted in Schoology
Open in Schoology

Use this if you were absent, got stuck, or need another pass before you submit the lesson artifact.

Placement rationale

Matched Hearing loss, cochlear implants, vaccines by path:Medical-Interventions/Unit-1_How-to-Fight-Infection/1.3_Hearing-Loss; keywords:hearing, , cochlear. Score 142. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).

Catch-up / reteachFor: Need extra support
MI Activity 1.4.2 Making Vaccines NOVA Notes
worksheet/handoutPosted in Schoology
Open in Schoology

Use this if you were absent, got stuck, or need another pass before you submit the lesson artifact.

Placement rationale

Matched Hearing loss, cochlear implants, vaccines by path:Medical-Interventions/Unit-1_How-to-Fight-Infection/1.4_Vaccination; keywords:, vaccination. Score 142. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).

Use during lessonFor: Everyone
PLTW MI Activity 1.4.2 Vaccine Development Student Activity
worksheet/handoutPosted in Schoology
Open in Schoology

Open this when the class reaches this activity and use it to complete the required lesson artifact.

Placement rationale

Matched Hearing loss, cochlear implants, vaccines by path:Medical-Interventions/Unit-1_How-to-Fight-Infection/1.4_Vaccination; keywords:, vaccination. Score 142. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).

Sign in to Clever with your district Microsoft account to open Schoology or myPLTW. Follow today's posted steps. If myPLTW will not open, use the posted alternative and tell Mr. Mendoza. Turn in your completed work through the Schoology assignment.

Practice: try a question, then check your answer

Claim ceiling for this check: Today's evidence supports a classroom claim about cochlear implant debate. It cannot prove causation, diagnose a real patient, or justify action outside this room.

Quick self-check · commit, then reveal

A parent says, 'The implant will fix my baby's hearing so she is normal like everyone else.' Rewrite that sentence so it is medically accurate about what the implant does.

How sure are you?

Write an answer and pick a confidence to unlock the key.

Cumulative WebXam review · flash practice

Fast retrieval with instant answers, not the commit-then-reveal check above. Try each from memory first: write what you remember about the earlier units, then check yourself here.

Tap an answer to check it · nothing is recorded or graded
[Review: Getting ready to test: serial dilutions and the ELISA setup] A technician makes a serial dilution starting with 100 ng/mL of antigen, transferring equal parts antigen and water at each step. What is the concentration after the first two dilutions?
[Review: Reading the color: running an ELISA and trusting your controls] An ELISA result is read simply as a color change with no number attached. This kind of observed, non-measurable result is called what?
[Review: Growing the evidence: aseptic culturing and superbug data] A single random mutation gives one bacterium a stronger cell wall that resists an antibiotic. How does this lead to a resistant infection?
Sound entering the ear causes the tympanic membrane to vibrate. Which structures vibrate next, in order, to carry the wave inward?
Missed class or ready for more?
🔬 Pre-lab simulation

Run this before you touch the bench. It is built from the real lab procedure, so the decisions you make here are the ones you will make with the equipment in your hands.

Who Does the Threshold Protect?
Open the simulation →
Where this leads: careers

What today's skills lead to. These are real health-science careers this course builds toward. Tap one to see, on the US Department of Labor's O*NET site, what the job actually involves, what it pays, and how fast it is growing.

What to do if you were absent
Today was a debate: do this instead

If you missed the live debate, watch the linked overview, then post a written CER (claim, two evidences, reasoning) plus your two debate questions and a short reflection in the PLTW course shell.

Use the submission route shown on today's today's page.

If MR. MENDOZA is absent

Class still runs. Complete the online activity above (it's self-guided). Need the concept taught without a teacher? Use this authoritative explainer:

NIH MedlinePlus
How this is graded
For: CER: One CER (claim, two evidences, reasoning) on cochlear implant ethics plus a three-sentence reflection.
  • Complete
    Every required part of the artifact is present, nothing left blank.
  • Accurate
    The science and the data are correct and match the evidence.
  • Scientific reasoning
    You explain your claim with evidence and reasoning (CER), not just an answer.
  • Professional communication
    Clear, organized, labeled, and written the way a clinician or scientist would.
  • Submitted
    Go to Schoology to turn this in. Submit one PDF. Put your first and last name in the document header. Name the file: FirstName LastName - Assignment Title - YYYY-MM-DD.pdf. If you cannot get in, see Mr. Mendoza. Do not skip the work.