Evidence sort and false results
Safety gate · before any work
- Wear the required PPE, keep the bench clear, handle equipment only as directed, and know where the eyewash, sink, and spill kit are before you start.
- Human samples and data stay private: label with a code, never a name, and dispose of materials in the correct waste container, then wash your hands.
Do now
Sort case evidence by strength and explain how false positives and false negatives change a decision.
- Hand in
- Evidence sort table (strong/moderate/weak with one-word reasons) plus two false-result sentences and a justification for the most trusted result.
- 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.
Sort case evidence by strength and explain how false positives and false negatives change a decision.
Sort case evidence by strength and explain how false positives and false negatives change a decision.
- • You'll be able to rank evidence by strength.
- • You'll be able to explain the consequence of a or .
- What do you already know about Evidence sort and false results?
- What would you need to find out to answer today's question?
- 1Sort the case test results into strong, moderate, and weak evidence with a one-word reason each.
- 2Identify one result that could be a and one that could be a .
- 3Explain in one sentence how each false result would change the patient's treatment.
- 4Decide which result you trust most and why.
- 5Submit your evidence sort and false-result analysis as your daily evidence.
What did this day actually feel like?
Evidence sort and false results
Sorting our evidence by how much it can carry, and marking which results could be false and what that would do to the conclusion.
A conclusion that collapses if one result is wrong is a fragile conclusion, and you should know that before you commit to it.
Turned in: data table → Data Tables 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 same day, drawn.

Sorting our evidence by how much it can carry, and marking which results could be false and what that would do to the conclusion.
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
Lab day: Tier 1 is the whole class at the bench. No extension today.
🔑 Today's words · 5
Tap a word in the lesson for a plain meaning and one example. Recycled into next week's Do-Now.
Do the work · 80-minute blockfirst 5 min = hook▸
💡 Big idea: Why does the cost of being wrong differ between a and a in genetic medicine?
- 0-8Hook class vote; define and with genetic test examples
- 8-25Sort all case test results into strong, moderate, weak with one-word reason each
- 25-45Identify one candidate and one candidate from the sort
- 45-60Write one sentence per error type on how it would change the treatment decision
- 60-72State which result you trust most and justify; partner check logic
- 72-80Submit evidence sort and false-result analysis to the class site
- • Hook: Ask: which error is worse for a screening test, a or a ? Take a class vote and note the reasoning.
- • Why it matters: The sorting skill is used in clinical decision support, evidence-based medicine, and WebXam 072130 Biotech Research questions.
- • Today's work: You rank all case evidence by strength and then model how two error types propagate into treatment decisions.
- • Exit goal: Evidence sort and false-result analysis submitted before the bell.
- • A says disease is present when it is not; in genetic medicine it may lead to unnecessary preventive surgery or anxiety.
- • A says disease is absent when it is present; it may delay treatment until the disease progresses.
- • Evidence strength depends on sensitivity, specificity, and reproducibility; a single positive SNP with low sensitivity is weak evidence alone.
Molecule-to-patient decision making; validity, reliability, false results, and treatment planning. · Evidence sort and false results
Day 3 of this lesson. Open this exact section in myPLTW (find it in Clever, Microsoft sign-in), then do the work below.
Do this: Open the evidence evaluation activity in myPLTW under the Unit 2 synthesis section and sort the case test results by strength.
Mark the evidence sort activity complete after your analysis is submitted.
Annotated case packet should be done (Tuesday); evidence sort and false-result analysis due today.
Evidence sort table with false-result sentences and most-trusted-result justification submitted.
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.
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.
Molecule-to-patient decision making; validity, reliability, false results, and treatment planning. · Evidence sort and false results
Open the evidence evaluation activity in myPLTW under the Unit 2 synthesis section and sort the case test results by strength.
Annotated case packet should be done (Tuesday); evidence sort and false-result analysis due today.
This is how Mr. Mendoza sees the class keeping pace with PLTW. Be honest, it only helps if it is accurate.
🎯 Sort case evidence by strength and explain how false positives and false negatives change a decision.
- Sort the case test results into strong, moderate, and weak evidence with a one-word reason each.
- Identify one result that could be a and one that could be a .
- Explain in one sentence how each false result would change the patient's treatment.
- Decide which result you trust most and why.
- Submit your evidence sort and false-result analysis as your daily evidence.
Data table: Evidence sort table (strong/moderate/weak with one-word reasons) plus two false-result sentences and a justification for the most trusted result.
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.
| Task | Who |
|---|---|
| Sort the case test results into strong, moderate, and weak evidence with a one-word reason each. | _______ |
| Identify one result that could be a and one that could be a . | _______ |
| Explain in one sentence how each false result would change the patient's treatment. | _______ |
| Decide which result you trust most and why. | _______ |
| Submit your evidence sort and false-result analysis as your daily evidence. | _______ |
Working solo? Put your own name in "Who" for every row.
- You'll be able to rank evidence by strength.
- You'll be able to explain the consequence of a or .
- 1Do thisSort case evidence by strength and explain how false positives and false negatives change a decision.
- 2Use this resource
- 3Submit thisData table: Evidence sort table (strong/moderate/weak with one-word reasons) plus two false-result sentences and a justification for the most trusted result.
- 4Submit it here
- 1Open the drop folder.
- 2Sign in with your district Microsoft account, not a personal one.
- 3Upload the file, named Lastname_Firstname__Assignment Title.
- 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. Genetics of Disease (Medical Interventions) › Molecule-to-patient decision making; validity, reliability, false results, and treatment planning. › Data tableOpen the drop folder
Learn it · deck, reading, and vocabulary▸
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.
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.
Why does the cost of being wrong differ between a and a in genetic medicine?
A smoke alarm detects signs of fire but can also react to burnt toast.
- What does the alarm detect?
- What creates a false alarm?
- What evidence is needed before declaring a fire?
A screening signal changes what to investigate next; it does not automatically prove the cause.
Biomedical tests have measured performance and biological sampling limits that a household alarm does not capture.
- • Alarm signal maps to a test result.
- • Burnt toast maps to a .
- • Inspection maps to confirmation or the next test.
Driving question: Sort case evidence by strength and explain how false positives and false negatives change a decision.
What you already know: 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.
New idea: Why does the cost of being wrong differ between a and a in genetic medicine?
Visual or model: F1. F1. A lesson illustration or teaching diagram for Evidence sort and false results. 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.
- Observe or measure the relevant feature in Evidence sort and false results.
- Organize the observation with a stable evidence ID.
- Apply this rule: A screening signal changes what to investigate next; it does not automatically prove the cause.
- Choose the option the evidence supports and state the limit of the conclusion.
Real biomedical example: Sort case evidence by strength and explain how false positives and false negatives change a decision.
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.
- • : Identifying a disease by detecting specific DNA, 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.
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 says disease is present when it is not; in genetic medicine it may lead to unnecessary preventive surgery or anxiety.
Limit: E1 supplies context or an observation; it does not by itself establish the explanation.
Why does the cost of being wrong differ between a and a in genetic medicine?
Limit: E2 is a teaching statement or comparison and must be checked against the task evidence.
You'll be able to rank evidence by strength.
Limit: E3 supports only the result or product criterion named here; it cannot justify a broader clinical or causal claim.
PLTW-GEND-2026-11-04 · Simulated classroom evidence scenario
Your role: medical interventions team member
Decision: Your team must decide what the evidence from Evidence sort and false results supports before submitting the labeled and result claim named on the lesson page.
- • Choose the strongest supported explanation.
- • Choose the next evidence to collect.
- • Hold the decision because the evidence is insufficient.
Response: State one choice, cite at least two evidence IDs, explain the rule that connects them, and add one limitation. Submit it as the labeled and result claim.
Claim ceiling: The supplied lesson evidence can support an observation, pattern, classroom mechanism, or next-step decision about Evidence sort and false results. It cannot by itself prove causation, establish a real clinical diagnosis, or justify action outside this classroom task.
Reason for review: Your team must decide what the evidence from Evidence sort and false results supports before submitting the labeled and result claim named on the lesson page.
Context: Sort case evidence by strength and explain how false positives and false negatives change a decision.
- • T1: Sort the case test results into strong, moderate, and weak evidence with a one-word reason each.
- • T2: Identify one result that could be a and one that could be a .
- • T3: Explain in one sentence how each false result would change the patient's treatment.
- • T4: Decide which result you trust most and why.
- • T5: Submit your evidence sort and false-result analysis as your daily evidence.
- • E1: A says disease is present when it is not; in genetic medicine it may lead to unnecessary preventive surgery or anxiety.
- • E2: Why does the cost of being wrong differ between a and a in genetic medicine?
- • E3: You'll be able to rank evidence by strength.
Measurements: No patient measurement is supplied unless it appears explicitly in E1-E3 or F1. Do not invent a value.
Figure finding: Teaching diagram for Evidence sort and false results. 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.
- 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 Evidence sort and false results. 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.
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.
Placement rationale
Matched Unit 2 synthesis and by path:Medical-Interventions/Unit-2_How-to-Screen-Your-Genes; keywords:genetic counseling, screening, testing. Score 154. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).
Use this after the required lesson work when you are ready for a harder application or a deeper connection.
Placement rationale
Matched Unit 2 synthesis and by path:Medical-Interventions/Unit-2_How-to-Screen-Your-Genes; keywords:genetic counseling, screening, testing. Score 146. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).
Use this after the required lesson work when you are ready for a harder application or a deeper connection.
Placement rationale
Matched Unit 2 synthesis and by path:Medical-Interventions/Unit-2_How-to-Screen-Your-Genes; keywords:genetic counseling, screening, testing. Score 142. 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 Evidence sort and false results. It cannot by itself prove causation, establish a real clinical diagnosis, or justify action outside this classroom task.
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.
Go further and get help▸
I can name the procedure's purpose and the evidence I will record. I can identify each named hazard and the control that reduces it: Wear the required PPE, keep the bench clear, handle equipment only as directed, and know where the eyewash, sink, and spill kit are before you start. My data table is ready before materials are handled.
Finish the checklist before you handle any material.
- • Wear the required PPE, keep the bench clear, handle equipment only as directed, and know where the eyewash, sink, and spill kit are before you start.
- • Human samples and data stay private: label with a code, never a name, and dispose of materials in the correct waste container, then wash your hands.
- 1Before materials are handled, identify the purpose, variables or comparison, controls, measurement units, and stop-work condition.
- 2Sort the case test results into strong, moderate, and weak evidence with a one-word reason each.
- 3Identify one result that could be a false positive and one that could be a false negative.
- 4Explain in one sentence how each false result would change the patient's treatment.
- 5Decide which result you trust most and why.
- 6Submit your evidence sort and false-result analysis as your daily evidence.
- 7Record each result in the prepared table before interpreting it. Mark missing, repeated, or invalid results truthfully.
- 8Complete the named cleanup and waste route, remove PPE safely, wash hands when required, and confirm the station is ready for the next group.
| Trial or sample ID | Independent condition | Measured result with units | Observation before interpretation | Quality-control note |
|---|---|---|---|---|
Before the procedure, predict the result and cite the rule behind the prediction.
After the procedure, compare the result with the prediction and name one limitation or source of uncertainty.
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.
Today is individual work you can do from home: complete the same target above, then submit your Data table.
Open the drop folderTurn 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.
Class still runs. Complete the online activity above (it's self-guided). Need the concept taught without a teacher? Use this authoritative explainer:
MedlinePlus: How is genetic testing done and what do results mean?You've passed Unit 2, so 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 track- 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.
- SubmittedTurned 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.
- Error analysis and method · counts doubleName a specific limit of the method and how it moved your result, and compare what you predicted to what happened. "Human error" does not count; say what about the procedure or instrument caused it.

