SAT R&W 52: “Which Finding, If True, Would Support or Weaken the Hypothesis?”

O'qish Matndan dalil (Command of Evidence — Textual) 3-dars, jami 5
Shu mavzudagi darslar · 3/5
  1. SAT R&W 50: Command of Evidence — Which Quotation Proves the Claim?
  2. SAT R&W 51: Matching the Claim Word for Word Before You Read the Choices
  3. SAT R&W 52: “Which Finding, If True, Would Support or Weaken the Hypothesis?”
  4. 4 SAT R&W 53: Support vs Weaken vs Irrelevant — the Three-Way Sort
  5. 5 SAT R&W 54: Command of Evidence (Textual) — Mixed Practice

Ikkinchi shakl — farazi topilmalar

Command of Evidence ning ikkinchi shakli ilmiy matnlarda keladi va birinchisidan butunlay boshqacha ishlaydi:

📝 Namuna:

Which finding, if true, would most directly support the researchers' hypothesis?
Which finding, if true, would most directly weaken the team's conclusion?

Bu yerda variantlar matndan olingan iqtiboslar emas — ular hali topilmagan, farazi natijalar. If true iborasi shuni anglatadi: «faraz qiling, bu rost chiqdi — u holda nima bo'ladi?»

Ya'ni sizdan matnni eslash emas, mantiqiy o'ylash so'ralyapti. Bu Reading bo'limidagi eng «matematik» savol turi.

⏱ ~75 soniya

Gipotezaning mexanizmini toping

Har gipoteza X → Y shaklida bo'ladi: biror sabab biror natijani keltirib chiqaradi. Javobni topish uchun o'sha strelkani aniq nomlash kerak.

📝 Namuna:

Gipoteza: «Qushlar shaharda balandroq sayraydi, chunki past ovoz transport shovqiniga yutiladi.»

Mexanizm: shovqin (X) → balandroq sayrash (Y). Strelkaning sababi — eshitilish.

Kuchaytirish (support): A ko'p bo'lgan joyda B ham ko'p; yoki A ni yo'q qilsangiz B ham yo'qoladi; yoki mexanizmning oraliq bo'g'ini topiladi.

Kuchsizlantirish (weaken): A bor, B yo'q; yoki A yo'q, B bor; yoki Y ni tushuntiradigan boshqa sabab topiladi.

Aloqasiz (irrelevant): topilma rost bo'lsa ham X va Y orasidagi strelkaga tegmaydi. Variantlarning yarmi shunday bo'ladi.

⚠️ Tuzoq: Eng ko'p uchraydigan xato: «qiziqarli» yoki «ilmiy eshitiladigan» topilmani tanlash. Savol qiziqarlilikni so'ramaydi. Yagona savol: bu topilma X → Y strelkasiga tegadimi? Tegmasa — u qanchalik ta'sirli bo'lmasin, javob emas.

Ishlangan namuna

Leafcutter ants carry cut leaves to their nest but do not eat them. The leaves are chewed to a paste and used to grow a fungus, and the fungus is what the colony feeds on. Researchers noticed that colonies reject certain leaves after a few days of collecting them, and hypothesised that the ants detect the fungus growing badly on that species and change their cutting in response.

Which finding, if true, would most directly support the researchers' hypothesis?

  1. Colonies that were prevented from cutting any leaves for a week showed reduced fungus growth.
  2. When a harmless substance that slows the fungus was added to one species of leaf, colonies stopped cutting that species within days.
  3. Leafcutter ants are found in a wide range of forest types across Central and South America.
  4. The ants' jaws are strong enough to cut leaves many times their own body weight.
⏱ ~75 soniya

Yechim

Mexanizmni nomlaymiz. Gipoteza: chumolilar zamburug'ning yomon o'sayotganini sezadi (X) → shu bargni kesishni to'xtatadi (Y).

Strelkaning yuragi — sezish. Chumoli bargning o'zini emas, zamburug'ning holatini o'qiydi degan da'vo.

Kuchaytirish uchun nima kerak? Bargni o'zgartirmasdan, faqat zamburug'ning o'sishini buzsak va chumoli baribir o'sha bargdan voz kechsa — bu strelkani deyarli isbotlaydi.

TO‘G‘RIWhen a harmless substance that slows the fungus was added to one species of leaf, colonies stopped cutting that species within days — aynan kerakli tajriba. Modda harmless — demak chumoliga to'g'ridan-to'g'ri zarar yo'q; o'zgargan yagona narsa — zamburug'ning o'sishi; va chumoli reaksiya bergan. Sezish strelkasi tasdiqlandi.
TUZOQColonies that were prevented from cutting any leaves for a week showed reduced fungus growthstrelkaga tegmaydi. Bu barg yo'qligida zamburug' yomon o'sishini ko'rsatadi — matn allaqachon aytgan narsa (barg zamburug' uchun). Gipoteza esa chumolining sezishi haqida, va bu topilma sezish haqida hech nima demaydi.
TUZOQLeafcutter ants are found in a wide range of forest types across Central and South Americaaloqasiz. Tarqalish geografiyasi rost bo'lishi mumkin, lekin u X ham, Y ham emas. Bu «ilmiy eshitiladigan» tuzoq.
TUZOQThe ants' jaws are strong enough to cut leaves many times their own body weight — yana aloqasiz, va yana ta'sirli eshitiladi. Jag' kuchi kesish qobiliyati haqida; gipoteza esa kesish tanlovi haqida.
💡 Maslahat: Diqqat qiling: to'g'ri javobdagi harmless so'zi bekorga turmagan. U muqobil tushuntirishni o'ldiradi — «balki modda chumoliga yoqmagandir». Kuchaytiruvchi topilmalar ko'pincha shunday bitta ehtiyot so'zi bilan keladi: harmless · otherwise identical · with all else unchanged. Ularni qidiring.

Sea otters were hunted almost to extinction along a stretch of coast, and the kelp forests there disappeared over the following decades. Otters eat sea urchins, and urchins graze on the base of kelp stalks. A team studying the coast proposed that the loss of the kelp followed from the loss of the otters, by way of an urchin population left unchecked.

Which finding, if true, would most directly support the team's proposal?

Patients recovering in rooms with a window facing trees were discharged on average a day earlier than patients in rooms facing a brick wall. The hospital's report attributed the difference to the view itself, suggesting that looking at greenery lowers stress and so speeds recovery.

Which finding, if true, would most directly weaken the report's explanation?

A team excavating a hill fort found no cooking hearths inside the walls, though there are hearths in the settlement below. They proposed that the fort was not lived in but used only as a refuge during attacks, occupied for days at a time and then abandoned again.

Which finding, if true, would most directly weaken the team's proposal?

Bread made with a long, slow rise is tolerated by some people who report discomfort after eating ordinary bread. A baker proposed that the long rise gives the bacteria in the dough time to break down the particular carbohydrates that cause the discomfort, so that less of them remains in the finished loaf.

Which finding, if true, would most directly support the baker's proposal?

Kalit so'zlar — Key vocabulary

a hypothesis
gipoteza, faraz
a finding
topilma, tadqiqot natijasi
to support / to weaken
kuchaytirmoq / kuchsizlantirmoq
if true
agar rost bo'lsa (faraziy topilma signali)
unchecked
to'sqinliksiz, nazoratsiz (ko'payish)
to attribute X to Y
X ni Y ga bog'lamoq
otherwise identical
qolgan hamma jihatdan bir xil
a refuge
boshpana, panoh joy

Xulosa

  • Gipotezani X → Y shaklida nomlang; javob strelkaga tegishi shart.
  • Kuchaytirish: X bor → Y bor; A ni yo'qotsang B yo'qoladi; oraliq bo'g'in topiladi.
  • Kuchsizlantirish: A bor, B yo'q; yoki B ni tushuntiradigan boshqa sabab.
  • Variantlarning yarmi aloqasiz bo'ladi — «ilmiy eshitilishi» dalil emas.
  • Savoldagi support / weaken ni belgilang: bir xil variantlar, boshqa javob.