1) To begin a positive comment and explain why it worked well, start with: a) I don’t like… b) Maybe change… c) That’s wrong because… d) Great job on…; explain why this worked well. 2) To politely point out something needing clarification and ask for reasons, start with: a) You failed to… b) That makes no sense… c) I’m unsure about…; please explain why you chose this. d) You should be embarrassed… 3) To suggest a concrete improvement and say why it would help, begin with: a) Stop using that material. b) Your idea is bad. c) You might improve this by…; explain why this change would reduce peak force or improve usability. d) Don’t bother testing it. 4) To ask a peer to explain a scientific choice and request reasoning, begin with: a) Why did you pick that randomly? b) You didn’t think this through. c) That’s obvious. d) Could you clarify how this material affects peak force, and explain why you selected it? 5) To offer a testing suggestion and explain why it matters, start with: a) Test it sometime. b) Don’t waste time testing. c) I hope it works. d) For testing, try… (e.g., drop from X cm onto Y surface) and explain why this test shows protection. 6) To give balanced feedback (praise + improvement) and justify both parts, begin with: a) You did nothing right. b) This is okay, I guess. c) I like how…; one way to improve is…; explain why each point matters for protection. d) Why did you bother? 7) To question whether the design meets user needs and ask for justification, start with: a) Who cares who uses it? b) Users won’t notice. c) Just assume it’s fine. d) Does this design meet the needs of the intended user? Explain why or why not. 8) To suggest a small structural change and explain its effect on forces, begin with: a) Consider adding a crushable layer at… to absorb energy; explain why this reduces peak force. b) Make it heavier. c) Add glitter. d) It's fine the way it is. Good job. 9) To raise a safety or durability concern and ask for rationale, start with: a) This will explode. b) It’s unsafe, period. c) Ignore safety. d) I’m concerned about durability in ______ conditions; explain why this may cause failure. 10) To request evidence supporting a protection claim and ask why it’s convincing, begin with: a) Prove it or else. b) You don’t need evidence. c) That’s just your opinion. d) What evidence or test results support this claim, and why do those results convince you? 11) To encourage clearer labeling or scale and explain its importance, start with: a) Your drawing is tiny. b) Could you add dimensions or labels so we know size/material thickness; explain why those details matter? c) Make it bigger for no reason. d) Leave it as is. 12) To comment on balance/handling and ask for reasoning, begin with: a) It will tip over. b) It’s fine if it’s awkward. c) How does the weight distribution affect balance and handling; explain why this could cause problems? d) Don’t worry about balance. 13) To propose an alternative material and justify it, start with: a) Use anything cheaper. b) Use the most expensive option. c) Materials don’t matter. d) Consider replacing X with Y because Y is more _____ (tough/ductile/light); explain why this helps protection. 14) To suggest a usability improvement and explain the benefit, begin with: a) Keep it confusing. b) To make installation easier, you could…; explain why this increases correct use by stakeholders. c) Don’t explain how to use it. d) Make it complicated. 15) To praise scientific reasoning and request more explanation, start with: a) Your science is wrong. b) Skip the science next time. c) That’s not science. d) I appreciate how you linked material behavior to energy transfer; explain why this connection supports your design. 16) To request a clearer zoomed‑in collision depiction and ask why the detail matters, begin with: a) The zoom is useless. b) Can you show more detail in the zoomed‑in view of impact and explain why each material behavior matters? c) Don’t show any zoom. d) The zoom is fine as an abstract scribble. 17) To encourage stakeholder thinking and request reasons, start with: a) Who are the main stakeholders and how does this design meet their needs? Explain why those needs guided your choices. b) Stakeholders don’t matter. c) Assume everyone will buy it. d) Stakeholders will adapt. 18) To offer a measurable testing metric and explain its relevance, begin with: a) Measure anything. b) Measure peak acceleration, deformation, or failure after X drops; explain why these metrics show protection performance. c) Don’t measure anything. d) Guess the results. 19) To point out a design tradeoff and ask for justification, start with: a) Tradeoffs are irrelevant. b) Always choose the cheapest option. c) If you lower cost by using X, how might protection be affected? Explain why that tradeoff matters to stakeholders. d) Ignore tradeoffs. 20) To end feedback with a constructive, actionable summary that includes reasoning, begin with: a) That’s it — good luck. b) I don’t have time for this. c) This won’t work. d) Overall, I suggest… (one specific change) and explain why this will improve protection.

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