Posture, screens and resting your eyes
Tests: 4 of 19 right · Exam: 2 of 4 right · Kind: ★ · Understood: 11 of 23 · Run: 2026-10-18, commit f3c23ea72
Lesson 8 of the everyday course of Mova's primary school, as Mova's small model took its tests: it had read this lesson and the ones before it and learned from their exercises. Each test shows the options in the order the student saw them, its choice, the right answer, the score of every option and why it chose. The lesson itself, sentence by sentence with trees and pragmatics: the lesson in the corpora.
Every question of this lesson and each of its options parsed by Mova, with trees and pragmatics: the lesson's questions in the corpora.
Test 1 · ★ · wrong ✗
A girl in Ohio has tired eyes after a long homework session on a tablet. What would help most?
- 1. Make the screen much brighter — ← Mova's choice · no support
- 2. Rub her eyes hard — no support
- 3. Hold the tablet closer to her face so she can see — no support
- 4. Look out of the window at something far off — ✓ the right answer · no support
Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Test 2 · ★ · right ✓
Why does the 20-20-20 rule ask you to look far away and not at another close thing?
- 1. Far things are brighter — no support
- 2. Close things are bad for your eyes — no support
- 3. Far looking lets the focusing muscles relax — ← Mova's choice · ✓ the right answer · score 4
- 4. It is a rule with no reason, made up by somebody long ago — no support
Why: It took the question to ask why something happens (its cause). It chose option 3 with score 4, the only option with support. Its support: lesson 8, line 14: «Looking at something far away lets the focusing muscles of the eyes relax.», reached through the same lesson line as the sentence the question matched. What matched: the same action «relax» (+2); the same doer «focusing muscles» (+2). · the question and its options parsed, with trees and pragmatics
Test 3 · ★ · wrong ✗
Sam's laptop is on his lap and he bends his head right down for hours. What will probably happen?
- 1. His eyes will change colour — ← Mova's choice · no support
- 2. His laptop will get slower and slower until it stops — no support
- 3. He will grow taller — no support
- 4. His neck and shoulders will get sore — ✓ the right answer · no support
Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Test 4 · ★ · right ✓
Which family rule would help everyone sleep better?
- 1. Watch films until midnight — no support
- 2. No screens for about an hour before bed — ← Mova's choice · ✓ the right answer · score 2
- 3. Play exciting games in bed until you feel tired — no support
- 4. Keep the phone on the pillow — no support
Why: It took the question to ask what it is done to. It chose option 2 with score 2, the only option with support. Its support: lesson 8, line 3: «When you stare at a screen your eyes focus close for a long time and you blink less, so they get tired and dry; the 20-20-20 rule helps: every 20 minutes look…», reached through the remembered sentence the question matched. What matched: the same action «help» (+4); the same doer «20-20-20 rule» (+4). Against it: one says «not», the other does not (counts against) (-6). · the question and its options parsed, with trees and pragmatics
Test 5 · ★ · wrong ✗
A doctor tells a family their children should play outside more. Which is a good reason?
- 1. Daylight time helps protect children's eyes — ✓ the right answer · no support
- 2. Outside air makes eyes darker — no support
- 3. Outside play is what makes children need glasses — ← Mova's choice · score 6
- 4. Indoor air causes short sight — no support
Why: It took the question to ask which statement is true. It chose option 3 with score 6, the only option with support. Its support: lesson 8, line 7: «A girl in Brisbane spent almost every afternoon hunched over a phone indoors; she started to find the board at school blurry, and the eye doctor said she neede…», reached through what was said in the sentence the question matched. What matched: the same action «need» (+4); the same thing acted on «glasses» (+4). Against it: a different doer (counts against) (-2). The right option, 1, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics
Test 6 · ★ · wrong ✗
Which is true?
- 1. Screens make you blink every second — ← Mova's choice · no support
- 2. You blink more while staring at a screen — no support
- 3. Blinking makes your eyes drier — no support
- 4. You blink less while staring at a screen — ✓ the right answer · no support
Why: Nothing it remembers matched the question, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Test 7 · ★ · wrong ✗
Mia has been sitting still at the computer for two hours and her back is stiff. What is wisest?
- 1. Lean further forward towards the screen — ← Mova's choice · score 3
- 2. Get up, stretch and move around — ✓ the right answer · no support
- 3. Turn up the brightness — no support
- 4. Sit even more still — no support
Why: It took the question to ask which statement is true. It chose option 1 with score 3, the only option with support. Its support: lesson 3, line 16: «A backpack that is too heavy makes you lean forward and can make your back and shoulders hurt.», reached through the same lesson line as the sentence the question matched. What matched: the same action «lean» (+2); the same property (+1). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics
Test 8 · ★ · wrong ✗
Why does holding a phone up at eye level help your neck?
- 1. It makes the screen bigger — ← Mova's choice · no support
- 2. Your head stays balanced over your neck — ✓ the right answer · no support
- 3. Your arms become stronger from holding it up — no support
- 4. The phone gets lighter — no support
Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Test 9 · ★ · wrong ✗
A boy reads a comic under the covers with a dim torch. What will probably happen?
- 1. His eyes may get tired, but they will be fine — ✓ the right answer · no support
- 2. Nothing at all, because dim light is the best light for reading in — no support
- 3. He will need glasses for ever — ← Mova's choice · score 3
- 4. His eyes will be damaged for good — score 3
Why: It took the question to ask which statement is true. It chose option 3 with score 3, tied with another option at 3 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 5, line 6: «A boy in Florida rode his bike without a helmet down a hill; he hit a crack in the path, flew over the handlebars and hurt his head so badly he needed hospital…», reached through the option's own match among the sentences about the question's things. What matched: the same action «need» (+2); the same doer «boy» (+2). Against it: a different thing acted on (counts against) (-1). The right option, 1, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics
Test 10 · ★ · wrong ✗
been on the ipad ages, eyes feel dry
- 1. Look at something far away and blink — ✓ the right answer · no support
- 2. Stare harder at the screen so your eyes stay open — ← Mova's choice · score 3
- 3. Hold it closer to your eyes — no support
- 4. Turn the brightness right up — no support
Why: It took the question to ask which statement is true. It chose option 2 with score 3, the only option with support. Its support: lesson 8, line 12: «People blink less when they stare at a screen, so their eyes can feel dry.», reached through a sentence linked to the one the question matched. What matched: the same action «stare» (+2); the same circumstance (+2). Against it: a different doer (counts against) (-1). The right option, 1, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics
Test 11 · ★ · wrong ✗
20 20 20 what's that again
- 1. Read 20 pages, rest 20 min, 20 times — ← Mova's choice · no support
- 2. Play 20 games then stop — no support
- 3. Every 20 min look 20 feet away for 20 sec — ✓ the right answer · no support
- 4. Sit 20 cm from the screen — no support
Why: Nothing it remembers matched the question, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Test 12 · ★ · wrong ✗
playing games in bed then cant sleep, why
- 1. Bright screens and excitement keep you awake — ✓ the right answer · no support
- 2. Games make you hungry — score 3
- 3. The bed is too soft — no support
- 4. Sleep only comes after midnight for children who play games — ← Mova's choice · score 7
Why: It took the question to ask which statement is true. It chose option 4 with score 7, against 3 for the next best. Its support: lesson 1, line 14: «Running, pushing or playing games on stairs is dangerous.», reached through the remembered sentence the question matched. What matched: the same thing acted on «games» (+4); the same action «play» (+3). The right option, 1, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics
Test 13 · ★ · right ✓
neck hurts from my phone lol
- 1. Hold it in your lap — no support
- 2. Hold it higher; don't bend your head right down — ← Mova's choice · ✓ the right answer · score 1
- 3. Use it lying on your tummy — no support
- 4. Bend lower to see better — no support
Why: It took the question to ask which statement is true. It chose option 2 with score 1, the only option with support. Its support: lesson 8, line 1: «Your head is heavy, about as heavy as a big bag of flour, and when you bend it far forward over a phone, your neck muscles have to hold it up like a long fishi…», reached through the remembered sentence the question matched. What matched: the same thing acted on «head» (+4); the same action «bend» (+3). Against it: one says «not», the other does not (counts against) (-6). · the question and its options parsed, with trees and pragmatics
Test 14 · ★ · wrong ✗
eyes r sore and i've got a headache after gaming all day
- 1. Rub your eyes hard and carry on — ← Mova's choice · no support
- 2. Move closer to the screen — no support
- 3. Turn the brightness up and keep going — no support
- 4. Stop, rest your eyes and go outside — ✓ the right answer · no support
Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Test 15 · ★ · wrong ✗
can't sleep, gonna scroll on my phone till i'm tired
- 1. Yes, scrolling makes you sleepy — ← Mova's choice · no support
- 2. Yes, if the sound is off — no support
- 3. Yes, turn the screen brighter — no support
- 4. Put the phone away, its light keeps you awake — ✓ the right answer · no support
Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Test 16 · ★ · right ✓
neck hurts from looking down at my phone, why?
- 1. Phones send out heat that hurts your neck — no support
- 2. Bending your head down strains your neck — ← Mova's choice · ✓ the right answer · score 3
- 3. Screens make muscles weaker — no support
- 4. Your neck is too short for phones — no support
Why: It took the question to ask why something happens (its cause). It chose option 2 with score 3, the only option with support. Its support: lesson 8, line 9: «Bending your head far forward over a phone strains the muscles of your neck.», reached through the same lesson line as the sentence the question matched. What matched: the same action «strain» (+2); the same doer «bending» (+2). Against it: a different thing acted on (counts against) (-1). · the question and its options parsed, with trees and pragmatics
Test 17 · ★ · wrong ✗
my cousin reckons if u read under the covers with a torch ur eyes go blind permanently
- 1. It is true, reading in dim light blinds you for life — ← Mova's choice · score 6
- 2. That is a rumour; dim light can tire your eyes but does not damage them for good — ✓ the right answer · score 5
- 3. It is true, but only if you read comics — no support
- 4. It is true, so you should only read outside — no support
Why: It took the question to ask which statement is true. It chose option 1 with score 6, against 5 for the next best. Its support: lesson 8, line 18: «Reading in dim light can make your eyes tired, but it does not damage them for good.», reached through the remembered sentence the question matched. What matched: the same action «read» (+3); the same place «dim light» (+3). The right option, 2, scored 5. · the question and its options parsed, with trees and pragmatics
Test 18 · ★ · wrong ✗
apparently Max played his console 14 hours straight and his neck locked and he couldn't turn his head
- 1. It proves consoles break necks every time — ← Mova's choice · no support
- 2. It means only consoles hurt necks, not phones — no support
- 3. Whether or not it was 14 hours, long screen time strains your neck, so take breaks and move — ✓ the right answer · no support
- 4. It is only a story, so posture never matters — no support
Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Test 19 · ★ · wrong ✗
Lily has to wear glasses now and someone called her four-eyes, is it ok to say it too
- 1. Yes, but only when she is not listening — ← Mova's choice · no support
- 2. No, calling her names is unkind; glasses just help her see — ✓ the right answer · no support
- 3. Yes, because everyone else is saying it — no support
- 4. Yes, as long as you say it as a joke — no support
Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Exam question 1 · formal language · wrong ✗
Which of the following statements most accurately characterises the 20-20-20 rule?
- 1. The screen is to be placed twenty centimetres from the eyes — ← Mova's choice · no support
- 2. Twenty minutes of reading are to be followed by twenty hours of rest — no support
- 3. At intervals of twenty seconds, the eyes are to be closed for twenty minutes — no support
- 4. At intervals of twenty minutes, an object twenty feet distant is to be regarded for twenty seconds — ✓ the right answer · no support
Why: Nothing it remembers matched the question, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Exam question 2 · formal language · right ✓
Identify the recommended position of a screen relative to the person observing it.
- 1. Approximately an arm's length distant, its upper edge near the level of the eyes — ← Mova's choice · ✓ the right answer · no support
- 2. As close to the face as possible, its upper edge below the chin — no support
- 3. Directly above the head, upon the ceiling — no support
- 4. Far beneath the level of the knees, upon the floor — no support
Why: Nothing it remembers matched the question, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
Exam question 3 · formal language · right ✓
Select the response that is consistent with the established facts concerning time spent by children out of doors in daylight.
- 1. It is detrimental to the eyes unless sunglasses be worn — no support
- 2. It assists in protecting the eyes of children from becoming short-sighted — ← Mova's choice · ✓ the right answer · score 3
- 3. It renders the eyes of children more liable to short sight — no support
- 4. It exerts no influence of any description upon the eyes — no support
Why: It took the question to ask which statement is true. It chose option 2 with score 3, the only option with support. Its support: lesson 8, line 4: «Bodies are made to move, so get up and move about every half hour, and play outdoors every day: time in daylight helps protect children's eyes from becoming sh…», reached through the option's own match among the sentences about the question's things. What matched: the same action «protect» (+2); the same thing acted on «eyes» (+2). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics
Exam question 4 · formal language · wrong ✗
It is given that the eyes feel dry after prolonged regard of a screen. Determine the principal cause thereof.
- 1. The eyes produce no tears whatsoever during daylight — ← Mova's choice · no support
- 2. The screen emits a vapour that dries the eyes — no support
- 3. The screen draws moisture from the face by heat — no support
- 4. Persons blink less frequently whilst they regard a screen — ✓ the right answer · no support
Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics
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