Screening equity debate
This page has four parts, in the order you use them. Part 1 is what you need to know. Part 2 says what to do, in plain English. Part 3 shows the work done once on a case that is not yours. Part 4 is your own work and where to turn it in.
Open your materials, follow the steps, then turn in your work.
Argue a CER position on whether genetic screening is offered fairly across communities.
Optional: listen or watch a unit review▸
Part 1 of 4 · Background and definitions▸
💡 Big idea: Early screening lowers cost and mortality, so a test that only wealthy or well-insured patients can reach turns a medical advance into a driver of inequality.
- • Genomic screening is not uniformly available: cost, geography, and insurance coverage create access gaps across income and racial groups.
- • Early detection through screening reduces treatment cost and mortality, making access gaps a issue.
- • A CER on equity must name who is excluded and provide evidence of the consequence, not just assert unfairness.
Cas9 tolerates a few mismatches between its guide RNA and the , so it can cut at a near-match elsewhere in the genome and break a gene that was keeping the cell safe.
Early screening lowers cost and mortality, so a test that only wealthy or well-insured patients can reach turns a medical advance into a driver of inequality.
Driving question: If early genetic screening cuts breast deaths but the test costs money, sits in a hospital across town, and depends on insurance, which Cleveland families never get offered it, and what happens to them because of that?
What you already know: Cas9 tolerates a few mismatches between its guide RNA and the , so it can cut at a near-match elsewhere in the genome and break a gene that was keeping the cell safe.
New idea: Early screening lowers cost and mortality, so a test that only wealthy or well-insured patients can reach turns a medical advance into a driver of inequality.
- Observe or measure the relevant feature in screening equity debate.
- Organize the observation with a stable evidence ID.
- Apply this rule: Use science to estimate consequences, then state the value judgment and tradeoff that determine the decision.
- Choose the option the evidence supports and state the limit of the conclusion.
Real biomedical example: If early genetic screening cuts breast deaths but the test costs money, sits in a hospital across town, and depends on insurance, which Cleveland families never get offered it, and what happens to them because of that?
What the evidence supports: E1 to E3 and the figure 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.
- • : Identifying a disease by detecting specific , RNA, or proteins in a sample, allowing precise diagnosis at the level of genes and molecules.
- • validity: How well a test or study actually measures what it claims to, so the conclusions truly reflect reality.
- • reliability: The degree to which a measurement, method, or person produces the same dependable result each time under the same conditions.
- • : A test result that signals a condition is present when it actually is not, a kind of error that can lead to needless worry or treatment.
- • : A test result that says a condition is absent when it is actually present, missing a true case.
- • : An organized roadmap of the steps, therapies, and goals a healthcare team will follow to manage or cure a patient's condition.
Use it now: Choose one decision option. Cite E1 and E3, then explain how the rule connects the evidence to your choice. This is thinking practice for the one turn-in named under Turn in, not a second submission.
Go further, optional: The source links below are optional enrichment. Every fact required for today's local evidence decision appears in this lesson package.
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.
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.
You can argue a position on screening equity with evidence.
Limit: E3 defines the classroom product or success criterion. It is not independent scientific evidence and cannot justify a clinical or causal claim.
Today's decision · Simulated classroom evidence scenario
Your role: medical interventions team member
Decision: Your team must decide what the evidence from screening equity debate supports before submitting the claim-evidence-reasoning response named on today's page.
- • Say the test is already fair, because it works and any family who wants it can choose to get it.
- • Hold the claim until you can name which Cleveland families are burdened and which barrier blocks them.
- • Argue the screening gap is a health outcome, since cost, distance, and insurance decide who is offered the test.
Response: State one choice, cite at least two evidence IDs, explain the rule that connects them, and add one limitation. Use it inside the one turn-in named under Turn in; it is not a separate submission.
Claim ceiling: Today's evidence supports a classroom claim about screening equity debate. It cannot prove causation, diagnose a real patient, or justify action outside this room.
Reason for review: Your team must decide what the evidence from screening equity debate supports before submitting the claim-evidence-reasoning response named on today's page.
Context: A medical technology is only as good as the people it reaches, so access gaps in screening are a health outcome, not just a paperwork problem.
- • T1: Read the screening equity case brief (in myPLTW if it opens, otherwise the version Mr. Mendoza projects).
- • T2: Write two prepared questions about who gets access to genetic screening and who is left out.
- • T3: Draft a CER with a claim, two pieces of evidence, and reasoning about equity.
- • T4: In the debate, note one counterargument about cost or access.
- • T5: Submit your CER and reflection as one PDF in Schoology.
- • 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 argue a position on screening equity with evidence.
Measurements: Use only the measurements, units, graph, or counts supplied in today's task. No additional patient measurement is implied.
Figure finding: A bar-chart frame with three income groups on the x axis, two empty dashed bar outlines per group labeled offered screening and alive five years after diagnosis, an unlabeled y axis marked more, and an empty box titled Who is left out, and why, with ruled lines to fill from the NCI disparities reading.
Uncertainty: This is a composite classroom scenario. Missing history, measurements, or confirmation tests remain unknown and limit the conclusion.
Students often think if a genetic test exists and works, then everyone who needs it can get it, so any gap must be the patient's own choice. The trap: cost, distance to a clinic, insurance rules, and which doctors even mention the test create gaps before choice ever enters, so a working test can still leave whole communities uncovered.
- 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.
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.
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 Screening equity 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.
Saved on this device. Show Mr. Mendoza or add these to your notebook glossary to claim the extra credit.
Part 2 of 4 · Directions in plain English▸
2.1 Open your materials
2.2 Start the work
Read the screening equity case brief (in myPLTW if it opens, otherwise the version Mr. Mendoza projects).
Show all 5 required steps
- Read the screening equity case brief (in myPLTW if it opens, otherwise the version Mr. Mendoza projects).
- Write two prepared questions about who gets access to genetic screening and who is left out.
- Draft a CER with a claim, two pieces of evidence, and reasoning about equity.
- In the debate, note one counterargument about cost or access.
- Submit your CER and reflection as one PDF in Schoology.
Lost your place? Find the screening equity case brief (in myPLTW if it opens, otherwise the projected version), then pick up at your CER: you need a claim, two pieces of evidence, and reasoning about who is left out.
- 0-5Hook: who is offered screening, who survives; frame the equity debate question
- 5-20Silent read of screening equity case brief; draft two access questions
- 20-35CER draft: equity claim, two evidences, reasoning
- 35-65Structured debate: equity in screening access, pro and con
- 65-75Written reflection: state one cost or access counterargument
- 75-80Submit CER and reflection in Schoology
- • Hook: A screening test exists that catches breast early. Who in Cleveland is most likely to be offered it, and who is least likely? Write one guess and one reason, then check it against the NCI cancer disparities reading on this page.
- • Why it matters: Knowing a test exists is meaningless if you cannot access it; the synthesis unit asks you to connect molecular science to social outcome.
- • Today's structure: case brief, CER prep, structured debate, reflection.
- • Exit goal: CER and reflection submitted in Schoology before the bell.
PLTW connection and today's work
Open Activity 2.2.2 Reproductive Technology in myPLTW, then review the CER rubric for the screening equity debate.
Today's stopping point: Gene-therapy unit should be at 100%; this debate opens the closing Unit 2 benchmarks.
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 2.2.2 Reproductive Technology
The mapping has not been confirmed inside myPLTW.
Use the turn-in directions in Part 4 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
Part 3 of 4 · Worked example▸
This is a parallel case, not your own. Read it for the order of the work, then do your own in Part 4.
Note: This is a parallel model on a different case. It shows you the CER format and depth so you can see how a strong argument is built. It does NOT answer today's screening equity prompt. Build your own claim from your own evidence.
Claim: Automated external defibrillators, or AEDs, are not currently placed equitably, because the neighborhoods where cardiac arrests are most likely to be survivable often have the fewest devices nearby.
Evidence 1: An AED can restart a heart during sudden cardiac arrest, but it only helps if one is within reach in the first few minutes. Studies of public AED placement show that wealthier and commercial areas, like downtown office buildings and shopping centers, tend to have far more registered devices than lower-income residential neighborhoods.
Evidence 2: Survival from cardiac arrest drops by roughly 10 percent for every minute that passes before a shock is delivered. In neighborhoods where the nearest AED is blocks away, locked inside a building, or simply absent, bystanders cannot reach a device in time even when they are willing to help.
Reasoning: Fast defibrillation is one of the strongest predictors of surviving cardiac arrest, so when device placement follows property value and foot traffic instead of where arrests actually happen, the survival gap widens along the same lines as income and geography. The technology itself works, but a device only saves a life if it is close enough to be used before the brain is starved of oxygen. That turns an uneven placement pattern into a health equity problem, not just a logistics detail.
Reflection (counterargument): A fair counterpoint is cost. AEDs are expensive to buy, register, and maintain, and some argue that limited funds should go where crowds are largest so each device covers the most people. My response is that placing devices where crowds gather is reasonable, but coverage should be measured against where cardiac arrests occur and how fast help can arrive, not only against headcount, so that residential neighborhoods with real medical need are not left uncovered.
This model shows the level of evidence and organization needed to complete: Parallel model of the Unit 2 synthesis argument: a claim-evidence-reasoning paragraph taking a position on whether a life-saving health resource reaches communities fairly, plus a reflection that names one cost or access counterargument. Modeled on the placement of automated external defibrillators, NOT on the genetic screening question students must argue today.
- Write one defensible claim.
- Choose specific evidence that supports the claim.
- Explain the scientific rule that connects the evidence to the claim.
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 two prepared questions about who gets access and who is left out, then post your CER and reflection in Schoology before end of block.
A review board sorts scientific evidence, stakeholder needs, possible benefits, possible burdens, and uncertainty before choosing a policy.
- Which statements are scientific evidence?
- Which statements express a value or priority?
- Who receives the benefit and who carries the burden?
Use science to estimate consequences, then state the value judgment and tradeoff that determine the decision.
A review-board model organizes reasoning but does not make one ethical principle automatically outweigh every other principle.
- • 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.
Part 4 of 4 · Your work▸
Check your work before submitting
- You'll be able to argue a position on screening equity with evidence.
- You'll be able to address an access-based counterargument.
4.1 Turn in your work
DueCheck the Schoology assignment for this day- Hand in
- One CER on whether genetic screening is offered equitably, plus a reflection naming one cost or access counterargument.
How to submit and name your file
Submit as one PDF in Schoology.
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 helpYou get two school days for every day you were absent, so this deadline moves with you.
Today's lesson is in Schoology
Each school day has one lesson page in Schoology that holds everything for the day: the goal, the story so far, every table and data value, the numbered steps, and what to turn in. Open it first and work from it. The other rows for this day, if any, are the score line for a paper quiz or test and the John Carroll debate item; they do not add work. Check Schoology for each deadline.
- Today's Lesson · Mon 11/9 · Wk12 · Twelve stories of cancer, then how X-ray, CT, MRI, and PET find cancer(today's lesson page: the goal, the data, the steps, and what to turn in are all on it)
Link will not open? Open Schoology, choose your course and section, and find the title shown above.
- CompleteEvery required part of the artifact is present, nothing left blank.
- AccurateThe science and the data are correct and match the evidence.
- Scientific reasoningYou explain your claim with evidence and reasoning (CER), not just an answer.
- Professional communicationClear, organized, labeled, and written the way a clinician or scientist would.
- SubmittedGo to Schoology to turn this in. Submit one PDF. Schoology attaches your name to your upload; on the page itself, write your period and code. Name the file: FirstName LastName - Assignment Title - YYYY-MM-DD.pdf. If you cannot get in, see Mr. Mendoza. Do not skip the work.
How this lesson connects
Keep using what you learned last class: Cas9 tolerates a few mismatches between its guide RNA and the DNA, so it can cut at a near-match elsewhere in the genome and break a gene that was keeping the cell safe. Today: Early screening lowers cost and mortality, so a test that only wealthy or well-insured patients can reach turns a medical advance into a driver of inequality.
Practice: try a question, then check your answer▸
Claim ceiling for this check: Today's evidence supports a classroom claim about screening equity debate. It cannot prove causation, diagnose a real patient, or justify action outside this room.
A CER claims 'genetic screening is unfair.' What single thing must it add to become a real equity argument instead of an opinion?
Write an answer and pick a confidence to unlock the key.
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.
Missed class or ready for more?▸
Optional practice for this unit's lab skills. Nothing in it is due today.
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.
Missed the live debate? Read the case brief (in myPLTW if it opens, otherwise ask Mr. Mendoza for the projected version), then submit a written CER on screening equity plus your two questions and a reflection as one PDF in Schoology.
Submit as one PDF in Schoology.
Class still runs. Complete today's work as this page describes (it is self-guided). Need the concept taught without a teacher? Use this authoritative explainer:
MedlinePlus: How is genetic testing done and what do results mean?The optional extra-credit track is open. Complete reserved-unit work from home, including virtual labs, for extra credit. Each item shows its correct submission route.
Open the extra-credit trackSources: slides, readings, and resources▸
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.
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 this if you were absent, got stuck, or need another pass before you submit the lesson artifact.
Use this after the required lesson work when you are ready for a harder application or a deeper connection.
Use this after the required lesson work when you are ready for a harder application or a deeper connection.
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.
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