--- title: Identify the principal characteristic of a fair test. — Let's test it! Experiments and fair te… · tree and pragmatics description: Identify the principal characteristic of a fair test. Exam question 1 of lesson 29 «Let's test it! Experiments and fair tests» of the myths course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/myths/29-let-s-test-it-experiments-and-fair-tests/e1/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Myths](https://md.mova.elamur.ai/free/en/corpora/questions/myths/) / [Let's test it! Experiments and fair te…](https://md.mova.elamur.ai/free/en/corpora/questions/myths/29-let-s-test-it-experiments-and-fair-tests/) / e1 # Exam question 1 · Let's test it! Experiments and fair tests Identify the principal characteristic of a fair test. **Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** you · **What happens:** identify · **To what, where:** principal characteristic This is exam question 1 of lesson 29 «Let's test it! Experiments and fair tests» of the myths course of Mova's primary school, asked in stiff, formal language. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/myths/29-let-s-test-it-experiments-and-fair-tests/#e1). ## The question {#question} ```conllu # sent_id = question:myths:29-let-s-test-it-experiments-and-fair-tests:e1:1 # text = Identify the principal characteristic of a fair test. 1 Identify identify VERB VB Mood=Imp|VerbForm=Fin 0 root _ _ 2 the the DET DT Definite=Def|PronType=Art 4 det _ _ 3 principal principal ADJ JJ Degree=Pos 4 amod _ _ 4 characteristic characteristic NOUN NN Number=Sing 1 obj _ _ 5 of of ADP IN _ 8 case _ _ 6 a a DET DT Definite=Ind|PronType=Art 8 det _ _ 7 fair fair ADJ JJ Degree=Pos 8 amod _ _ 8 test test NOUN NN Number=Sing 4 nmod _ SpaceAfter=No 9 . . PUNCT . _ 1 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **identify** | imperative | you *not said here* | the principal characteristic of a fair test | | | | | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent characteristic=Theme | One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree. ## The options {#options} ### Option 1 · ← Mova's choice {#o1} A single trial is deemed sufficient ```conllu # sent_id = question:myths:29-let-s-test-it-experiments-and-fair-tests:e1:o1:1 # text = A single trial is deemed sufficient 1 A a DET DT Definite=Ind|PronType=Art 3 det _ _ 2 single single ADJ JJ Degree=Pos 3 amod _ _ 3 trial trial NOUN NN Number=Sing 5 nsubj:pass _ _ 4 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 5 aux:pass _ _ 5 deemed deem VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 0 root _ _ 6 sufficient sufficient ADJ JJ Degree=Pos 5 xcomp _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **deem** | present · passive | | a single trial | | | | sufficient *property* | vn consider-29.9-1 «NP V NP PP.attribute»: subject=Attribute | ### Option 2 · ✓ the right answer {#o2} Only one condition is varied whilst all others are held constant ```conllu # sent_id = question:myths:29-let-s-test-it-experiments-and-fair-tests:e1:o2:1 # text = Only one condition is varied whilst all others are held constant 1 Only only ADV RB _ 2 advmod _ _ 2 one one NUM CD NumForm=Word|NumType=Card 3 nummod _ _ 3 condition condition NOUN NN Number=Sing 5 nsubj _ _ 4 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 5 cop _ _ 5 varied varied ADJ JJ Degree=Pos 0 root _ _ 6 whilst whilst SCONJ IN _ 10 mark _ _ 7 all all DET DT PronType=Tot 8 det _ _ 8 others other NOUN NNS Number=Plur 10 nsubj:pass _ _ 9 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 10 aux:pass _ _ 10 held hold VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 5 advcl _ _ 11 constant constant ADJ JJ Degree=Pos 10 xcomp _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **is** | present | one condition | | | | | varied *property* | tree rules | | 2 | **hold** | present · passive | | all others | | | | constant *property* | vn keep-15.2 «NP V NP»: subject=Theme | ### Option 3 {#o3} All conditions are varied simultaneously ```conllu # sent_id = question:myths:29-let-s-test-it-experiments-and-fair-tests:e1:o3:1 # text = All conditions are varied simultaneously 1 All all DET DT PronType=Tot 2 det _ _ 2 conditions condition NOUN NNS Number=Plur 4 nsubj _ _ 3 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 4 cop _ _ 4 varied varied ADJ JJ Degree=Pos 0 root _ _ 5 simultaneously simultaneously ADV RB _ 4 advmod _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **is** | present | all conditions | | | | | simultaneously, varied *property* | tree rules | ### Option 4 {#o4} The outcome is decided before the test is conducted ```conllu # sent_id = question:myths:29-let-s-test-it-experiments-and-fair-tests:e1:o4:1 # text = The outcome is decided before the test is conducted 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 outcome outcome NOUN NN Number=Sing 4 nsubj:pass _ _ 3 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 4 aux:pass _ _ 4 decided decide VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 0 root _ _ 5 before before SCONJ IN _ 9 mark _ _ 6 the the DET DT Definite=Def|PronType=Art 7 det _ _ 7 test test NOUN NN Number=Sing 9 nsubj:pass _ _ 8 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 9 aux:pass _ _ 9 conducted conduct VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 4 advcl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **decide** | present · passive | | the outcome | | | | | vn correspond-36.1-1 «NP V S»: subject=Topic | | 2 | **conduct** | present · passive | | the test | | | | | vn accompany-51.7 «NP V NP»: subject=Theme | **Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License. - ← previous: [Let's test it! Experiments and fair te…, test 11](https://md.mova.elamur.ai/free/en/corpora/questions/myths/29-let-s-test-it-experiments-and-fair-tests/t11/) - next →: [Let's test it! Experiments and fair te…, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/myths/29-let-s-test-it-experiments-and-fair-tests/e2/) - ↑ back to [Let's test it! Experiments and fair tests](https://md.mova.elamur.ai/free/en/corpora/questions/myths/29-let-s-test-it-experiments-and-fair-tests/)