HS 2601 Lecture notes, Lecture notes of Health sciences

Lecture notes for critical and ethical thinking part one lecture

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2025/2026

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HS 2601 L2 - Critical and Ethical Thinking P1
Isn’t it all ‘just’ opinion
- Opinion - personal claim that doesn’t necessarily require support + certain qualities
- Argument - claim that needs to be worth making, valid, sound, logical + must be
provided w/ reasonable, relevant + sufficient support
Argument structure
- Warrant b/c i made the claim i must provide proof
- Claim - students cheating w/ AI and its bad
- Needs proof - 1. Theyre doing it, 2. Detection software would do anything, 3.
Detection would be the best approach, + identify weaknesses → conclusion
- Well constructed = argument still stands
- Never situations where ethics argument slammed on 100% - always some shortcoming
- All things considered xyz right thing to do
- Always having rly significant shortcoming or objection
- MAID + dying - extension of autonmy + should b able to choose it
- Proof - right to make decision yourself as a patient in reg treatments, how
many ppl suffer needlessly w/ dibilitating illness
- Objection - misuse, disproportionate amount of ppl w/ disabilities using it,
gov not supporting disabled ppl = they usu choose it
- Have to work through all of it to come to best solution
Basic distinctions in ethical thinking
- Health sciences deal w/ matters of fact + matters of value
- Fact and value statements - not same but used interchangeable
- Fact (description)
- What is or isn’t factually the case
- What was or will be factually the case
- Know w/ high degree of certainty its true - may be descriptive - describing
situation (not saying good/bad just what is)
- Value (normativity)
- What should or shouldn’t be done
- What ought or ought not be done
- Come as not something that can be proved or disproved
- I think this is important or cherish this
- Going against this = exchange of opinions
- Value ab what we should do ab it - unfortunate we need to do something to prevent it
more (chlymidia)
- Any fact statement usu has value attached but they are diff
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HS 2601 L2 - Critical and Ethical Thinking P Isn’t it all ‘just’ opinion

  • Opinion - personal claim that doesn’t necessarily require support + certain qualities
  • Argument - claim that needs to be worth making, valid, sound, logical + must be provided w/ reasonable, relevant + sufficient support

Argument structure

  • Warrant b/c i made the claim i must provide proof
  • Claim - students cheating w/ AI and its bad
    • Needs proof - 1. Theyre doing it, 2. Detection software would do anything, 3. Detection would be the best approach, + identify weaknesses → conclusion
  • Well constructed = argument still stands
  • Never situations where ethics argument slammed on 100% - always some shortcoming
  • All things considered xyz right thing to do
  • Always having rly significant shortcoming or objection
    • MAID + dying - extension of autonmy + should b able to choose it
      • Proof - right to make decision yourself as a patient in reg treatments, how many ppl suffer needlessly w/ dibilitating illness
      • Objection - misuse, disproportionate amount of ppl w/ disabilities using it, gov not supporting disabled ppl = they usu choose it
      • Have to work through all of it to come to best solution

Basic distinctions in ethical thinking

  • Health sciences deal w/ matters of fact + matters of value
    • Fact and value statements - not same but used interchangeable
  • Fact (description)
    • What is or isn’t factually the case
    • What was or will be factually the case
    • Know w/ high degree of certainty its true - may be descriptive - describing situation (not saying good/bad just what is)
  • Value (normativity)
    • What should or shouldn’t be done
    • What ought or ought not be done
    • Come as not something that can be proved or disproved
    • I think this is important or cherish this
      • Going against this = exchange of opinions
  • Value ab what we should do ab it - unfortunate we need to do something to prevent it more (chlymidia)
  • Any fact statement usu has value attached but they are diff

Statements of value

  • Don’t come w/ statements of truth or falsity
  • Can’t disprove value Come in 2 varieties
  1. Aesthetic (aesthesis - to do w/ the senses)
  • Appreciate something - love this music, cuisine, art, etc.
  • Place high value on a thing
  1. Moral (value you put on questions + actions in terms of right or wrong)
  • Value on certain behaviours
  • Zyx characteristic right
  • Honesty - if you held honest as important value = dont lie or deceive ppl
  • Sounds good but we all lie
  • If i agree w/ this its gonna b bad - breakup could say i cant stand u anymore instead blame yourself
  • Grades of fact - spectrum
  • Some ppl say fact is objective thing always true
  • True but we use the term more loosely
  • ‘Conclusive data shows’ we understand or know the following - proxies for fact
  • Dont have to q this its true
  • Not everything is equal
  • Need to discern what is strongly supported v not as strongly
  • Initially in early stages of scientific study cant say its true or fact

Stephen jay gould (1941-2002)

  • Evolutionary biologist
  • The hedgehog, the fox and the magister’s pox - mending the gap b/w science + the humanities (book)
  • Not everything called a fact qualifies as capital F fact
  • SM + influencers - all types of facts that are not - presented to you as only a fool would question this
  • ‘In science ‘fact’ can only mean ‘confirmed to such a degree that it would be perverse to withhold provisional assent.’ I suppose that apples might start to trise tomorrow, but the possibility does not merit equal time in physics classrooms
  • There are certain things we know
    • Transfused w/ wrong blood type strong chance u will die - hemetologically we know certain blood types not able to mix - Regardless of who u are it will happen - Know things to high degree of certainity but cant claim its a fact
    • Sometimes its presented - ‘study shows the following’
      • Optimization of how much to drink e/ night for health
      • One study doesnt mean anything - its the first step - replicate if its good
      • Lots of study not good - ridiculous participation numnber, low sample size

Genetic fallacy

  • Someone makes argument and u dismiss it b/c what that person represents
  • You judged something as good or bad on the basis of where it comes from or whom it came from
  • Whether they would allow HPV shot into catholic school
    • Discussion w/ bishop
    • Girls immune to HPV = more promiscuous
    • His argument valid based on what hes saying not the collar hes wearing

Example of genetic fallacies - Nationalist guy fuck biden

  • Sometimes good arguments come from places you dont expect
  • Dr shawn baker - ‘scientific study that made claim veganism is safe for kids was produced by the same organization recently found to be accepting Ms from junk food companies and this study was authored by 3 ethical vegan activists’, big on carnivore diet - Directly saying if it comes from these places you can ignore it entirely, not true, genetic fallacy - Ethical vegan activists payed for by chips ppl - evaluate it - Presents source as sufficient enough to dismiss it
  • Tim noakes - big deal in physio, significant scholar - Gone keto, advocates for low carb diets - Only idea - militant ab it - Head of dietician of britain - showed research that u need carbs to function properly and negative effects - “When she loses weight her knowledge will be more valuable”
  • MD seen as mark of discipline but not true
  • Are situations where research integrity challenged
  • Used to - companies directly interfered w/ research = best spin on product came out
  • Public funding, freedom of info act - looked at unaltered data
    • Prozac worked as well as placebo
    • Disturbing suicial risk for teens - young teens on it committing sucide at disproportionate rate
  • Big pharma - has behaved poorly in past - always skeptical - Ppl publishing things that have great results - have to determine what has been predetermined

Ad hominem

  • Attack opponent’s character/personal traits to attempt to undermine their argument
  • Someone makes arg + return w/ insult
    • Ppl thought noakes was this one - if its all he did then it would be an insult but he put a condition - if she was thinner he would listen more
  • Respond w/ personal attack
  • Need details + reasons - not useful to just insult

Black or white

  • Bifurcation - arteries rupture into 2
  • presented 2 alt states as the only possibilities when more possibilities exist
  • Do either this or this - no in b/w - either for or against nothing else
  • Exists in many discussion - in health + bioethics lots of things like this happen
  • 2 doctors functional
  • Key to being dream guy - be doctor, keto to be buff and desirable
    • Other guy ovo lacto veg
    • Choice = 2 things
  • In abortion bifurcation big
  • Do you support womens right to own body or do you not
  • Do you protect little babies from being killed or are you a murderer
  • Hard to take middle ground w/ polarization
  • Lots of arguments on both sides but black and white voids them

Middle ground

  • You claimed a compromise or the middle point b/w 2 extremes must be the truest
  • If you think middle is always truth
  • Maybe extreme position is correct - not b/c its extreme - consider all args and determine extreme arg is absolute - Considered spectrum of args and come to that conclusion
  • Have to do something moderate is a mistake
  • Cant just assume middle is the safest and therefore more correct

Appeal to authority

  • You said that b/c an authority thinks something, it must therefore be true
  • Listen to authority all the time
  • Physicians, profs, etc.
  • If you believe them strictly b/c a specific group = issue
  • When someone says im right and i know what im talking about
    • Believe me when i tell u the following
  • Real authority - done many studies heres what we found
    • Diff from saying listen to me i know what im talking about
  • Dr julie ponesse not tenure let go - req vaccinations was immoral - legitimate position to argue - open discussion and figure it out
  • In interview all she says is i have Phd in phil and ethics = whole argument
    • Why is it wrong?
    • Right to decide, not to be pushed not to be coerced
  • Caricature of position then bash it
  • Create artificial efficacy depicted in a way thats easy to criticize rather than dealing w/ what ur actually saying

Cognitive biases

  • Interfere w/ info coming to u rather than what ur putting out
  • Aware of them = more discerning w/ things u say and how u think
  • Need to be critical of info profs give
  • Healthy skepticism of things

Declinism

  • rmr past as better than it was + expect the future to be worse than it will likely be
  • Kids these days
  • Totalizing - when i was in uni it was great when it wasnt
  • Slippery slope but bias is never will be better things are bad now but things used to be great

Dunning kruger effect

  • The more you know the less confident you’re likely to be
  • I will never know anything, i can never be certain
  • Researchers recongize there’s limits to what they can say
  • Gould - academics should never do study and say therefore this is the truth and this is the solution - Should say this can lead to something

Halo effect

  • How much you like someone or how attractive they are influences your other judgements of them
  • Give ppl benefit of the doubt when ur not sure

Confirmation bias

  • Look for ways to justify your existing beliefs
  • Might not get the best arguments when taking a position related to your bias
  • Health twitter - latest diet + research to back it
    • Just picking things to support u w/o challenging thinking
    • Same w/ ppl against low carb
    • Echochambers
    • Find best info and let that decide for u
    • Personal identity
  • Dont look at things objectively
  • Related to ethical things - if u think something is wrong its hard to tolerate arguments of the contrary