Two.Sigma
rubric v1

Where the team saw more than the Product AI reviewed as a tutor issue, AI found nothing — the gap this rubric has to close

2026-10-13 81001056 Satyam Pathak Diversity in the Living World pedagogy-issues Diagram not properly drawn in some placed during explanation text ali…
2026-10-13 80998806 Desh Deepak All topics network-issue Please ensure that you have a stable internet connection before you s…
2026-10-13 80998188 Bisma Binti Jamal — no_camera_pentab Please ensure that you use your digital board or camera to explain co…
2026-10-13 80997862 Ashwini — abrupt-ending Tutor ended the session without starting (in 1 second)
2026-10-13 80997348 Saniya Kumari — network-issue Please ensure that you have a stable internet connection before accep…
2026-10-13 80997221 Sakshi Sinha Human Physiology no_camera_pentab Please ensure that you use the digital board while explaining concept…
2026-10-13 80996707 Ashwini — network-issue Please ensure that your voice is clearly audible to the student in ev…
2026-10-13 80996405 Sakshi All topics pedagogy-issues Please ensure that your camera remains stable and that you have a rel…
2026-10-13 80996236 Hashim Rafi All topics pedagogy-issues Please ensure that you ask the student to switch to another tutor if…
2026-10-13 80994749 Ayush Chaturvedi All topics pedagogy-issues Please ensure that you verbally explain each step while writing on th…
2026-10-13 80986538 Rajendra Singh All topics pedagogy-issues Silent session there is also background noise coming from behind
2026-10-13 80973740 Satyam Pathak Coordination Compounds pedagogy-issues silent session
2026-10-13 80970650 Amit Chauhan Chemistry tutor-unresponsive Please stay active and respond to the student during the session. The…
2026-10-13 80969468 Anuva Singh Chemistry pedagogy-issues Please check your microphone before starting the session. Your voice…
2026-10-13 80969369 Tanishq Ghaus Biology no_camera_pentab Please ensure that your camera or digital board is turned on at the s…
2026-10-12 80951395 Arti Kumari Gupta Biology tutor-unresponsive Please ensure that you remain responsive when the student asks a ques…
2026-10-12 80949991 Tashlima Biology abrupt-ending Please ensure that you do not end sessions abruptly from your side.
2026-10-12 80949920 Nikhil Kumar Cell: Structure and Functions pedagogy-issues Please ensure that there is no delay in starting the session. Avoid r…
2026-10-12 80949029 Ganesh Kumar Sah All topics network-issue Please ensure that your voice is clearly audible throughout every ses…
2026-10-12 80948053 Ankush Goyal Biology no_camera_pentab Please ensure that you turn on your camera or pen tab promptly after…
2026-10-12 80947367 Swati Biology network-issue Please ensure that your voice is clearly audible throughout every ses…
2026-10-12 80943751 Sara Khan — pedagogy-issues Tutor needs to explain the concept BODMAS (which is the basic require…
2026-10-12 80939211 Rajendra Singh All topics pedagogy-issues Long pause in between the session
2026-10-12 80939046 Sonali Singh Chemical Bonding tutor-misbehaved tutor should not speak to student in a rude tone in this session tuto…
2026-10-12 80938905 Deepak Saini All topics pedagogy-issues during this session the tutor was teaching with their mic off tutor s…
2026-10-12 80938595 Sachin Sharma All topics pedagogy-issues their was too much of background noise from tutor end and also tutor…
2026-10-12 80938585 Anurag Kumar All topics pedagogy-issues tutor was teaching very slowly teaching pace of the tutor should alwa…
2026-10-12 80936722 Harsh Kumar Nand Grammar academic-incompetence tutor was not able to provide the solution to the student requirement
2026-10-12 80934528 Kajal Patel Gudiya Mole Concept & Redox tutor-misbehaved Please handle disagreements with students professionally and patientl…
2026-10-12 80932991 Shagufta Tamboli — tutor-unresponsive tutor should always respond to the student needs when they have joine…
2026-10-08 80775199 Ram Kumar All topics tutor-unresponsive You were not audible in the session, make sure your mic is working pr…
2026-10-08 80751095 Hera Sahban Kinematics and Laws of Motion pedagogy-issues The session was unnecessarily prolonged. Please start teaching prompt…
2026-10-08 80749515 Aditya Sharma — pedagogy-issues The tutor’s voice was not audible. Please ensure your microphone is s…
2026-10-08 80748804 Kratika Rawat Kinematics and Laws of Motion pedagogy-issues The tutor’s voice was unclear, with frequent stutters due to possible…
2026-10-08 80746845 Rajpal Integration tutor-unresponsive There were background noises from your side and you did not respond t…
2026-10-08 80744746 ALOK KUMAR VERMA Kinematics and Laws of Motion abrupt-ending You abruptly ended the session in between the explanation.
2026-10-07 80728519 Nikhil Kumar Structural Organisation in Plants and Animals tutor-unresponsive You were not audible throughout the session. Make sure your mic is wo…
2026-10-07 80718944 Prachilekha Jena Biology abrupt-ending You did not start teaching even when the question was already posted…
2026-10-07 80718323 Ashish Yadav Chemistry network-issue You asked to switch tutor after explaining for 5 minutes. Make sure y…
2026-10-07 80714278 Tanazza Amir Grammar network-issue Towards the end of the session, your voice was breaking and was not c…

Runs

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What it looks for rubric v1

Work is the right way up seen A session can be pedagogically perfect and worthless if the student spends it reading upside down. Seen in the wild: a 25-minute session delivered at 180 degrees.
Writing is legible at video size seen
camera The recording is the student's only view. Handwriting that is fine on the page can be unreadable at 960x540.
board A board removes the camera's problems but not this one: nothing stops a tutor writing in a corner at a size the student has to squint at, or in a colour that barely separates from the canvas.
The work fills the frame seen Wasted frame is wasted resolution.
The camera holds still not counted measured A shot that moves every minute costs the student their place each time.
Exposure is usable not counted measured Cheap to fix, and invisible to the tutor, who is looking at the paper rather than the video.
Nothing distracting in shot seen Clutter in frame is both a distraction and a signal about how seriously the setup is taken.
The student's problem is established seen A session that begins mid-working leaves the student unable to tell whether the tutor understood what they asked.
Work proceeds in followable steps seen
camera This is the difference between watching someone solve a problem and being taught to solve one.
board Same distinction, different failure: on paper work is lost when the page moves, on a board it is lost only when the tutor wipes it — and wiping it while the student is still reading is a choice, not an accident.
It reaches an answer seen An unfinished session is the most common thing a student rates badly, and it is visible without any audio.
Something was actually written measured A board that never fills is the clearest possible failure and needs no interpretation. One real session ran 60 seconds, billed nothing, and ended with the student's question sitting alone on an otherwise empty canvas.
The concept is named before the working heard Naming it is what makes the session transferable to the next question. Without it the student has watched one problem get solved and learned nothing they can reuse.
Explained rather than jumped to the answer heard Jumping straight to the answer is the single most common way a session is technically correct and pedagogically worthless.
Understanding of the concept is checked not counted heard The weakest link in this rubric and worth being honest about: the transcript has no speaker labels, so the asking can be seen and the answering usually cannot.
Solved step by step, not in one leap heard A student can copy a result from either, and only learn from one.
The session opens properly heard Sets whether the student believes they were understood.
No long dead air measured Long gaps are where a student leaves.

measured is computed from the file and reproducible · seen needs a model to look at frames · heard needs the words and is skipped without a transcript.