Wed, Mar 10, 2027Spring (Semester 2) · Week 8Day 28 of 6180-min blockCalendar fit

Biometric-privacy debate

Essential question: Who owns the story your body tells, and what do researchers owe the people whose data they collect?Enduring understanding: Biometric data is not neutral raw material. It belongs to a person, and the choices you make about protecting it shape whether a study is trustworthy and whether people will let themselves be studied at all.

Do now

Debate how biometric data privacy should constrain physiological research and design.

DueTonight, 11:29 PM
Hand in
CER contribution arguing for a specific biometric-privacy safeguard in physiological research, plus two questions and a reflection on applying it to your own analysis.
Where
Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not.

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

Where you are · this course
Bias, error, graph choice, CER conclusion, limitations. Biometric-privacy debate ▸ Day 1
Day 28 of 61 this semester33 left before WebXam
🧬 Where you are · PLTW
Biomedical InnovationProblem 2: Exploring Human Physiology"Activity 2.1.3 Making Results Meaningful"
Matched to your live myPLTW course (verified June 2026).
Today's driving question

Your class already collected heart-rate and reaction-time numbers from each other. Before you graph a single point, what safeguard should protect the person behind each row of that data, and can you defend it?

Today you'll be able to

Debate how biometric data privacy should constrain physiological research and design.

You've got it when
  • You can argue a biometric-privacy position with evidence.
  • You can name a safeguard relevant to your own data.
Due today · CER RequiredCER contribution arguing for a specific biometric-privacy safeguard in physiological research, plus two questions and a reflection on applying it to your own analysis.
Do-Now · start these with your notes closed
  1. Name one piece of information a fitness tracker or phone collects about your body that you would not want posted with your name attached.
  2. In one sentence, who do you think should be allowed to see the data your class collected about each other, and who should not?
Do this · step by step
numbered so we can always find our place
  1. 1Prepare two questions about biometric privacy and data sharing.
  2. 2Draft a CER position on a privacy safeguard researchers should require.
  3. 3Debate with peers and record a strong opposing view.
  4. 4Relate the safeguard to your own analysis and reporting.
  5. 5Submit two questions, one CER contribution, and a reflection.
Interrupted or lost? Lost your place? Find where you are in the five steps: if you have not written your two privacy questions yet, start there; if you have questions but no CER, draft your claim about one safeguard; if you already debated, jump to relating that safeguard back to your own dataset and writing the reflection.
Optional project open: Microbiology & the Working Lab - solo or group, about 3 to 4 hours total. Due by Fri, May 28, 2027. Great WebXam prep.
The story

What did this day actually feel like?

Biometric-privacy debate

ETHICS DAY Fingerprints and face data are different from a password because you cannot change them after a breach.

That permanence is the whole argument and I had never framed it that way.

Turned in: CER → Claim Evidence Reasoning folder

Fiction. There is no such student. The lessons, labs and dates are the real planned course; the student, the classmates and the conversations are invented.

The comic

The same day, drawn.

Drawing, panel 37: Biometric-privacy debate.

Fingerprints and face data are different from a password because you cannot change them after a breach.

Panel 37Biometric-privacy debate · 2027-03-10
Read week 8, 4 panels

Fiction. There is no such student. The lessons, labs and dates are the real planned course; the student, the classmates and the conversations are invented.

🛠 Get unstuck · pick your level

Need a running start
Warm up by listing three kinds of data your phone already knows about you, then sort them into 'fine to share' and 'not fine.' That sorting instinct is exactly the judgment you will defend in the CER.
On track
Build a CER position on one specific safeguard (like requiring consent before data is shared outside the classroom), name the strongest opposing argument, and connect the safeguard to a real column in your own dataset.
Stuck? Get unstuck
If you missed the live debate, watch the recorded exchange or read a peer's posted CER, then write your own claim-evidence-reasoning on one safeguard and one honest limitation of your own position.
Push me further
Take the side you personally disagree with and argue it well. Then explain in two sentences why a researcher might reasonably choose a weaker safeguard when a stronger one would slow lifesaving research.

🔑 Today's words · 5

biaslimitationreplicationstatistical significanceevidence

Tap a word in the lesson for a plain meaning and one example. Recycled into next week's Do-Now.

Today's study notebook
Turning raw measurements into claims: graphs, mean and standard deviation, and reading a dataset.
Open the notebook
Watch first: today's 1-minute intro
Audio overviewVideo overviewMind mapStudy guideFlashcardsQuizData table
Where this fits
Tested on (Ohio WebXam)
Biotechnology for Health and Disease · 072125 (likely, pending confirmation)
PLTW lesson
BI · Problem 2: Exploring Human Physiology
WebXam domain
Microbiology Testing and Technology
Evidence to produce
CER
Lab / skill
Khan Academy Statistics and Probability
Do the work · 80-minute blockfirst 5 min = hook

💡 Big idea: A privacy safeguard has to be designed into a study before data collection, because it decides what you are allowed to measure and share, so a physiology analysis built without one cannot be trusted or reused.

  1. 0-10Frame the debate: what biometric data did you collect, and what could happen if it were mishandled?
  2. 10-25Debate prep: write two questions and draft a CER position on a required privacy safeguard
  3. 25-55Structured debate: argue positions and record the strongest opposing safeguard
  4. 55-65Relate to your analysis: how does this safeguard apply to how you will report your own data?
  5. 65-77Submit two questions, CER contribution, and reflection
  6. 77-80Exit check: name one concrete action you will take in your analysis report based on today's debate
Mr. Mendoza's 5-minute intro
  • You have raw physiological data from real participants. Today you debate what protections should surround data like that.
  • The question is not whether to protect it -- it is which specific safeguard matters most and why.
  • Your argument today should be grounded in the same principles you will apply when you report your own findings.
  • Data-ethics reasoning appears in the Molecular and Genetic Technology strand of WebXam 072125.
Know by the end
  • What a biometric-privacy safeguard is and why researchers are obligated to build them into study protocols.
  • How to argue a position on a specific safeguard using CER.
  • How the privacy debate connects to the data you collected and will now analyze.
Open this PLTW section today

Bias, error, graph choice, CER conclusion, limitations. · Biometric-privacy debate

Day 1 of this lesson. Open this exact section in myPLTW (find it in Clever, Microsoft sign-in), then do the work below.

Do this: Open Problem 2 Exploring Human Physiology in your myPLTW course shell and locate the privacy or data-ethics debate activity to review the CER prompt.

Complete

Mark the biometric-privacy debate activity complete in your tracker after submitting your CER and reflection.

How far to get

Your physiology is submitted; by end of today the biometric-privacy CER should be submitted and your graph draft prep should be underway.

Upload as evidence

Two questions, CER contribution on a biometric-privacy safeguard, and a reflection on applying it to your own data report.

The official PLTW activity stays inside myPLTW. If myPLTW will not open, use F1 and E1-E3 on this page to complete today's local evidence decision, then make up the official activity when access returns. Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not.

Today's PLTW tracker · fill in and submit

Check things off as you work, then submit. This tells Mr. Mendoza how you're doing so he can help the class. It does not replace turning in your producible through the submission route shown below.

Use the code Mr. Mendoza gave you, not your name. Saved on this device.

Bias, error, graph choice, CER conclusion, limitations.Day 1 of this projectSee the full week plan
Today's PLTW target

Bias, error, graph choice, CER conclusion, limitations. · Biometric-privacy debate

Open Problem 2 Exploring Human Physiology in your myPLTW course shell and locate the privacy or data-ethics debate activity to review the CER prompt.

Your physiology is submitted; by end of today the biometric-privacy CER should be submitted and your graph draft prep should be underway.

This is how Mr. Mendoza sees the class keeping pace with PLTW. Be honest, it only helps if it is accurate.

1 · What you do today

🎯 Debate how biometric data privacy should constrain physiological research and design.

  • Prepare two questions about biometric privacy and data sharing.
  • Draft a CER position on a privacy safeguard researchers should require.
  • Debate with peers and record a strong opposing view.
  • Relate the safeguard to your own analysis and reporting.
  • Submit two questions, one CER contribution, and a reflection.
2 · What you turn in

CER: CER contribution arguing for a specific biometric-privacy safeguard in physiological research, plus two questions and a reflection on applying it to your own analysis.

Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not. Use the checklist just below and upload by 11:29 PM for full credit. Absent with an excused absence? You get two school days for every day you were absent, so this deadline moves with you.

3 · Who's doing what (team)
TaskWho
Prepare two questions about biometric privacy and data sharing._______
Draft a CER position on a privacy safeguard researchers should require._______
Debate with peers and record a strong opposing view._______
Relate the safeguard to your own analysis and reporting._______
Submit two questions, one CER contribution, and a reflection._______

Working solo? Put your own name in "Who" for every row.

4 · Words I can use correctly
5 · I'm successful today when I can…
  • You can argue a biometric-privacy position with evidence.
  • You can name a safeguard relevant to your own data.
6 · Reflection & next steps
Where are you today?0/7 checked
Pick your period and code first.
Your 4 steps today
  1. 1
    Do this
    Debate how biometric data privacy should constrain physiological research and design.
  2. 2
  3. 3
    Submit this
    CER: CER contribution arguing for a specific biometric-privacy safeguard in physiological research, plus two questions and a reflection on applying it to your own analysis.
  4. 4
    Submit it here
    1. 1Open the drop folder.
    2. 2Sign in with your district Microsoft account, not a personal one.
    3. 3Upload the file, named Lastname_Firstname__Assignment Title.
    4. 4Your own upload panel says Uploaded with a green check: that is your receipt.
    Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not. Biotechnology for Health (Biomedical Innovations) › Bias, error, graph choice, CER conclusion, limitations. › CER
    Open the drop folder
Were you absent? Jump to the make-up plan
Learn it · deck, reading, 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

A reader cannot verify raw numbers without labeled conditions, units, and summary statistics, so an unverifiable leaves the analysis built on it with no foundation.

Daily take-home

A privacy safeguard has to be designed into a study before data collection, because it decides what you are allowed to measure and share, so a physiology analysis built without one cannot be trusted or reused.

Inspect the analogy

A bridge prototype is tested against a load limit, cost limit, and user need before revision.

  1. Which requirement is a criterion?
  2. Which limit is a constraint?
  3. What test result should trigger a redesign?
Rule

A design improves when evidence is compared with explicit criteria and constraints.

Where it breaks

Biomedical designs also require , ethics, and biological validation beyond a physical prototype test.

Map the analogy to biology
  • Bridge requirements map to design criteria.
  • Load results map to E1-E3.
  • Revision maps to the next evidence-based iteration.
Read this first

Driving question: Your class already collected heart-rate and reaction-time numbers from each other. Before you graph a single point, what safeguard should protect the person behind each row of that data, and can you defend it?

What you already know: A reader cannot verify raw numbers without labeled conditions, units, and summary statistics, so an unverifiable leaves the analysis built on it with no foundation.

New idea: A privacy safeguard has to be designed into a study before data collection, because it decides what you are allowed to measure and share, so a physiology analysis built without one cannot be trusted or reused.

Visual or model: F1. F1. A lesson illustration or teaching diagram for Biometric-privacy debate. Use it with E1-E3; it is a model or context image, not experimental or patient data. What to notice: Trace the labeled system, test, or design relationship and identify which evidence should trigger revision.

  1. Observe or measure the relevant feature in Biometric-privacy debate.
  2. Organize the observation with a stable evidence ID.
  3. Apply this rule: A design improves when evidence is compared with explicit criteria and constraints.
  4. Choose the option the evidence supports and state the limit of the conclusion.

Real biomedical example: Your class already collected heart-rate and reaction-time numbers from each other. Before you graph a single point, what safeguard should protect the person behind each row of that data, and can you defend it?

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:
  • bias: A systematic error in how data is collected or interpreted that tilts results in one direction, making conclusions less accurate or unfair.
  • limitation: A weakness or boundary of a study, design, or method that restricts how far its results can be trusted or applied.
  • replication: Repeating a study to see if the result holds; a key test of whether a finding is real.
  • : A result unlikely to be due to chance, often shown by a p-value below a set threshold such as 0.05.
  • evidence: The facts, data, and cases that carry your claim. Opinions are free; evidence costs homework.

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 · Observation

What a biometric-privacy safeguard is and why researchers are obligated to build them into study protocols.

Limit: E1 supplies context or an observation; it does not by itself establish the explanation.

E2 · Mechanism

A privacy safeguard has to be designed into a study before data collection, because it decides what you are allowed to measure and share, so a physiology analysis built without one cannot be trusted or reused.

Limit: E2 is a teaching statement or comparison and must be checked against the task evidence.

E3 · Result

You can argue a biometric-privacy position with evidence.

Limit: E3 supports only the result or product criterion named here; it cannot justify a broader clinical or causal claim.

PLTW-BFH-2027-03-10 · Simulated classroom evidence scenario

Your role: biomedical design team member

Decision: Your team must decide what the evidence from Biometric-privacy debate supports before submitting the claim-evidence-reasoning response named on the lesson page.

  • Keep the current design.
  • Revise the feature that misses a criterion.
  • Run one more fair test before choosing.

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: The supplied lesson evidence can support an observation, pattern, classroom mechanism, or next-step decision about Biometric-privacy debate. It cannot by itself prove causation, establish a real clinical diagnosis, or justify action outside this classroom task.

Math moment
Formula or setup

Rate or percent = part / comparison total x 100%. Percent change = (new - comparison) / comparison x 100%.

Worked parallel example

If 18 of 60 records meet a condition, the frequency is 18 / 60 x 100% = 30%.

Units and reasonableness

Name the comparison total. A percent describes the supplied group and does not automatically predict an individual's outcome.

Try it with today's data

Use today's supplied counts to calculate one rate, risk, frequency, or percent change. Show the denominator and interpretation.

Design record
Criteria
  • The solution must address the stated need in Biometric-privacy debate.
  • The decision must be supported by E1-E3.
  • The final product must make the success criteria visible.
Constraints
  • Complete the work inside the 80-minute block.
  • Use only supplied or teacher-approved materials and evidence.
  • Do not trade , accessibility, or privacy for speed.
Tradeoff weights
  • and evidence quality: must pass before scoring other criteria.
  • User need and effectiveness: highest scored criterion.
  • Time, cost, and ease of use: compare only after and effectiveness pass.

Test evidence: For each option, record the E1-E3 result that supports or fails each criterion. Do not assign a score without a named observation.

Iteration log
  1. Version or option tested
  2. Criterion met or missed
  3. Evidence ID and result
  4. Revision made
  5. Reason for the revision
Decision record
  1. Need and user
  2. Criteria and constraints
  3. Chosen option and evidence
  4. Test result
  5. Revision and reason
Watch the trap

Students often think Students think biometric privacy is a legal formality that lawyers handle after the research is done, separate from the science itself.. The trap: Privacy is not a form you sign at the end. It is a design decision made before you collect anything, because the safeguard determines what you are even allowed to measure and share, and a study built without it can be thrown out entirely.

Worked example · a parallel case (guides, does not reveal)
Worked CER on a parallel case
Completes: Models the Problem 2 CER format on a different scenario (a consumer DNA ancestry kit), showing the claim, evidence, reasoning, two questions, an opposing view, and a reflection, so students can copy the structure without seeing an answer to their own heart-rate and reaction-time prompt.

Parallel scenario (not today's prompt): A company sells a mail-in DNA ancestry kit. A customer spits into a tube, mails it back, and later gets a report about their genetic background. The company also keeps the DNA sample and may share results with outside research partners.

Two questions:

1. After the ancestry report is delivered, does the company keep the physical DNA sample, and can the customer have it destroyed on request?

2. If results are shared with a research partner, are they stripped of identifying details first, or can a partner still link a genome back to the named customer?

Claim: A consumer genetic testing company should obtain separate, opt-in consent before using any customer's DNA sample for research beyond the ancestry report they paid for.

Evidence: A genome is a permanent identifier. Unlike a password, it cannot be reset if it is exposed, and it also carries information about biological relatives who never agreed to anything. Bundling research use into a long terms-of-service agreement means most people click accept without realizing their DNA may travel to third parties. A separate opt-in checkbox forces a clear, deliberate choice.

Reasoning: Consent only protects a person when it is specific and informed. If research use is hidden inside general terms, the customer has not truly agreed to it, so the safeguard fails at the moment it matters most. A distinct opt-in step, written in plain language, keeps the ancestry service working while making sure DNA is used for research only when the person actually understood and agreed. That respects the customer without blocking legitimate science.

Strong opposing view I recorded: A classmate argued that requiring a separate opt-in will make far fewer people agree, which could shrink the research pool and slow discoveries that help everyone, so a well-written single agreement should be enough.

Reflection: Applying this to a case like ours, the lesson I take is that consent should name each specific use of a person's biological data, not lump everything together, so the person keeps real control over how far their sample travels.

Why this matters

This model shows the level of evidence and organization needed to complete: Models the Problem 2 CER format on a different scenario (a consumer DNA ancestry kit), showing the claim, evidence, reasoning, two questions, an opposing view, and a reflection, so students can copy the structure without seeing an answer to their own heart-rate and reaction-time prompt.

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: Submit your questions, CER, and reflection on the class site, or hand it to Mr. Mendoza in class by end of period.

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

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 Biometric-privacy 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.

bias
limitation
replication
statistical significance
evidence

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

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.

Catch-up / reteachFor: Need extra support
PLTW BI Activity 2.1.3 Making Results Meaningful
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 Statistical analysis and t-test reasoning by path:Biomedical-Innovations/Problem-2_Human-Physiology/2.1_Human-Physiology; keywords:statistical analysis. Score 138. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).

Catch-up / reteachFor: Need extra support
PLTW BI 2.1.3 Statistical Analysis Three Examples Resource
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 Statistical analysis and t-test reasoning by path:Biomedical-Innovations/Problem-2_Human-Physiology/2.1_Human-Physiology; keywords:statistical analysis. Score 134. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).

Use during lessonFor: Everyone
BI Project 2.1.1 Scientific Research 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 Statistical analysis and t-test reasoning by path:Biomedical-Innovations/Problem-2_Human-Physiology/2.1_Human-Physiology. Score 126. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).

How to get there: open Clever and sign in with your Microsoft (district) account. Both myPLTW and Schoology are in Clever. Do the activity in myPLTW. Turn the work in on this site or hand it to Mr. Mendoza, because that is the step that counts as submitted. Schoology only shows your report-card grade later.

Check yourself · commit, then reveal

Claim ceiling for this check: The supplied lesson evidence can support an observation, pattern, classroom mechanism, or next-step decision about Biometric-privacy debate. It cannot by itself prove causation, establish a real clinical diagnosis, or justify action outside this classroom task.

Quick self-check · commit, then reveal

A classmate says: 'It is just heart-rate numbers, there is no name on the graph, so privacy does not matter here.' Give one concrete reason they are wrong.

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: Prototyping the ER: floor plans, process flow, and human factors] How should you properly prepare hydrochloric acid (HCl) for disposal?
[Review: Pitch and revise: evidence-based feedback and intro to study design] Experimental results fall significantly outside the expected range. What should you do first?
[Review: Reading the body's data: study types, sample size, and the t-test] What is the purpose of an experiment measuring blood glucose after giving a drug or a placebo?
Where should you locate information on the maintenance history of a glucometer?
Go further and get help
Where this leads: careers
What to do if you were absent
Today was a debate: do this instead

Post a written CER contribution on a biometric-privacy safeguard researchers should require, then reply to one classmate's reasoning.

Then submit your CER. Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not.

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:

Khan Academy Statistics and Probability
How this is graded
For: CER: CER contribution arguing for a specific biometric-privacy safeguard in physiological research, plus two questions and a reflection on applying it to your own analysis.
  • 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
    Turned in the right way, on the class site or handed to Mr. Mendoza in class, and confirmed. Not in Schoology: that is where the report-card grade appears later.