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1 | # 🎬 C4 Design Ideas and Evaluation Explained |
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| 3 | Two short videos walking through how C4 works — what you produce for your design pack, how the evaluation matrix supports the choice of which design proceeds, and what scores well at each VCAA band. |
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| 5 | Watch in order. Each video pairs with one assessment package. |
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7 | > [!TIP] |
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| 8 | > **Don't just press play.** For each video: read the **🎯 Watch for** line first, keep the **✍️ While you watch** artefact open beside you, hit pause at the **⏸** marks to predict before the narrator answers, then do the **Check Your Understanding** questions from memory. Unfold (`▸`) only after you've answered. |
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10 | --- |
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| 12 | ## 1. Design Ideas — C4-1 |
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| 14 | VCAA Criterion 4, Indicator 1 · Design defence presentation with your printed design pack |
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16 | **🎯 Watch for:** this video reframes the assessment as a *design studio pitch* — you're the junior designer, your teacher is the client. Listen for the one sentence-shape that proves you've *justified* a decision rather than just described it. |
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18 | ▶ Watch on YouTube: https://youtu.be/Pfo-ksEHb64 |
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20 | **✍️ While you watch:** have your design pack open. Pick one decision in it — a layout, a colour, a flow — and write a single sentence defending it as the video shows you how. |
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| 22 | **⏸ Pause and predict** |
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| 24 | - **1:50** — You've just heard the five artefacts (ideas list, mood board, brainstorm, mind map, annotated sketches). Predict: are these five copies of the same thing, or something else? |
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| 25 | >| Five *different lenses on the same design problem* — not duplicates. Each tool views the one design from a different angle. |
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| 27 | - **5:05** — A student has a strong design pack but pitches it vaguely. Predict the highest band they can reach. |
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| 28 | >| A middle band only. "The pack sets the ceiling, but the pitch confirms the level" — you can't claim top marks for decisions you can't defend out loud. |
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| 30 | **Check Your Understanding** |
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| 32 | 1. In one sentence, what's the difference between an annotation that *describes* and one that *justifies*? |
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| 33 | >| Describing says how something looks or works; justifying names an alternative you rejected and gives the reason. |
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| 35 | 2. A student's pitch is fluent and confident, but their design pack is thin. Can they reach 9–10? Why or why not? |
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| 36 | >| No. You can't defend artefacts that don't exist — the pack is the *floor* of the evidence, and the pitch only confirms the level the pack already supports. |
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| 38 | 3. Fill in the trade-off sentence shape examiners listen for: "I considered ___, I chose ___, because ___." |
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| 39 | >| considered **X** / chose **Y** / because **Z** — naming the rejected alternative is what lifts a decision from *describe* to *justify*. |
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| 41 | --- |
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| 43 | ## 2. Evaluation Criteria — C4-2 |
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| 45 | VCAA Criterion 4, Indicator 2 · Written evaluation test with your printed evaluation outline and design pack |
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47 | **🎯 Watch for:** this video reframes C4-2 as writing a *product review* (think Choice or Wirecutter). Listen for the difference between an *explain* statement and a *justify* statement — it's the single highest-leverage move in the rubric. |
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49 | ▶ Watch on YouTube: https://youtu.be/aQaV2Gb_CLE |
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51 | **✍️ While you watch:** have your SRS and evaluation outline open. Take one vague criterion (e.g. "easy to use") and rewrite it as a measurable test as the video shows you how. |
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| 53 | **⏸ Pause and predict** |
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| 55 | - **2:46** — The narrator says a good matrix needs *both* columns. Predict: what do you miss if you score only effectiveness? Only efficiency? |
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| 56 | >| Effectiveness-only: you don't know if the software actually *runs* well (speed, resource use). Efficiency-only: you ignore whether it actually works for the *humans* using it. |
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| 58 | - **3:33** — "The design must be user-friendly." Predict how you'd turn this into something you could actually score. |
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| 59 | >| Give it a measurable test — e.g. "a new user completes the core task in under 90 seconds, unassisted." If you can't point to what you'd look at, you can't measure it. |
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| 61 | - **8:15** — A student explains why Design A scores well but never mentions Design B. Predict the highest band they can reach. |
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| 62 | >| Capped at 8. To reach 9–10 you must *name the rival* — weigh the competing design and explicitly accept the trade-off. |
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| 64 | **Check Your Understanding** |
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| 66 | 1. What three parts must every evaluation criterion contain? |
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| 67 | >| A **name** (what's measured), a **link** (to a specific SRS requirement), and a **measure** (the concrete, testable way you'll check it). |
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| 69 | 2. Which column holds *speed of processing*, and which holds *usability*? |
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| 70 | >| Speed of processing → **efficiency**. Usability → **effectiveness**. VCAA names **3** efficiency measures and **11** effectiveness measures. See [Efficiency vs Effectiveness](/sd/C04/Efficiency%20vs%20Effectiveness). |
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| 72 | 3. The matrix and the recommendation paragraph evidence different band ranges. Which is which? |
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| 73 | >| Matrix = the **floor**, evidences bands 1–6. Recommendation paragraph = the **ceiling**, evidences bands 7–10. You need both. |
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| 75 | --- |
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| 76 | ||||||||
| 77 | ## Related pages |
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| 78 | ||||||||
| 79 | - [C04 home](/sd/C04/C04-home) |
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80 | - [Efficiency vs Effectiveness](/sd/C04/Efficiency%20vs%20Effectiveness) |
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| 81 | - [Evaluation Criteria and the SRS](/sd/C04/Evaluation%20Criteria%20and%20the%20SRS) |
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| 82 | - [C2 and C3 Assessment Explained](/sd/C2%20and%20C3%20Assessment%20Explained) |
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| 83 | - [VCE Software Development Hub](/sd/VCE%20Software%20Development%20Hub) |
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