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# Presentation for DFI-STI on 2026-05-26
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Uhhhhhh this is awkward - guess you can now see the "behind the scenes" of this *magnificent* presentation
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## Links
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- HTML: https://pages.ct.cozytren.ch/sti-presentation
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- PDF: https://pages.ct.cozytren.ch/sti-presentation/presentation.pdf
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## Toolchain
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- Marp ecosystem for markdown presentation rendering
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- MarpX for custom parsing logic + custom themes
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- Gitea actions auto render & upload pipeline
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@@ -221,7 +221,7 @@ Erfahrung mit VR | Min: 1, Max: 4, Mittelwert: 1,8 (Skala von
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</center>
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</center>
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---
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---
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# Experiment 2: **Heben von virtuellen Objekten**
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# Experiment 2: **virtuellen Objekte heben**
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<!-- _header: Shifty: A Weight-Shifting Dynamic Passive Haptic Proxy to Enhance Object Perception in Virtual Reality - Video: [3] -->
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<!-- _header: Shifty: A Weight-Shifting Dynamic Passive Haptic Proxy to Enhance Object Perception in Virtual Reality - Video: [3] -->
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<div class="multicolumn"><div>
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<div class="multicolumn"><div>
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@@ -238,7 +238,7 @@ Erfahrung mit VR | Min: 1, Max: 4, Mittelwert: 1,8 (Skala von
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---
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---
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# Experiment 2: **Heben von virtuellen Objekten**
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# Experiment 2: **virtuellen Objekte heben**
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<div class="multicolumn"><div><bbox>
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<div class="multicolumn"><div><bbox>
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<center>
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<center>
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@@ -260,26 +260,78 @@ Name | 🖐️ | 👁️ | 👂
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**<box>Realismus**, **<box>am wenigsten beunruhigend**, **<box>Anstrengung**, **<box>Spaß**, **<box>Präferenz**
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**<box>Realismus**, **<box>am wenigsten beunruhigend**, **<box>Anstrengung**, **<box>Spaß**, **<box>Präferenz**
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</bbox></div></div>
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</bbox></div></div>
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---
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# Experiment 2: **Vorgehensweise**
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<div class="multicolumn"><div>
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## Latin-Square mit $6$ Parameter
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* **Position**: Varianten werden an jeder Position einmal getestet
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* **Teilnehmer:innen** testen jede
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Variante einmal
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* **Reihenfolge**: Für jedes Paar von Varianten $(v_1, v_2)$ gilt:
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$N_{v_1\space vor\space v_2} = N_{v_1\space vor\space v_1}$
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</div><div>
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### Variante nach **Teilnehmer:in** und **Position**
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Position|$P_1$|$P_2$|$P_3$|$P_4$|$P_5$|$P_6$|Vergleich
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-:|:-:|:-:|:-:|:-:|:-:|:-:|-:
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1\. Test|A|B|F|C|E|D|:x:
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2\. Test|B|C|A|D|F|E|2\. vs 1\.
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3\. Test|C|D|B|E|A|F|3\. vs 2\.
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4\. Test|D|E|C|F|B|A|4\. vs 3\.
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5\. Test|E|F|D|A|C|B|5\. vs 4\.
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6\. Test|F|A|E|B|D|C|6\. vs 5\.
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* $v_1\xrightarrow{besser\space als}v_2: \text{+2 Punkte für } v_1$
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* $v_1\xrightarrow{gleich\space wie}v_2: \text{+1 Punkt für beide}$
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</div></div>
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---
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<!-- _class: quote -->
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# Erwartung der Autoren
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- "We expect [...] Shifty to increase the **realism** and **fun** compared to [PHF]."
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- "[W]e expect the participants to favor Shifty’s feedback and that **enhanced visualizations** [...] increase the perceived **realism** and **fun** for the user, while **minimizing the disturbing impact** [...]."
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- "Regarding **exertion**, we expect [PHF] to require the least, and Shifty’s dynamic feedback to be more physically demanding."
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- "[W]e also expect **appropriate visualizations** to **compensate** for that to some degree, decreasing the perceived **exertion** compared to a standard visualization.
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Stimmt das? 🤔
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---
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---
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# Experiment 2: **Ergebnisse**
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# Experiment 2: **Ergebnisse**
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---
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# Experiment 2: **Ergebnisse**
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* ✅ **<box>Realismus** und **<box>Spaß** sind höher bei Shifty als bei PHF
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* ✅ Visiualisierungen minimieren die **<box>Beunruhigung**
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* ✅ **<box>Anstrengung** ist höher bei Shifty als bei PHF
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* ❓ Visualisierungen kompensieren die **<box>Anstrengung**
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---
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---
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# Experiment 2: **Ergebnisse**
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# Experiment 2: **Ergebnisse**
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## Welche Variante liefert die beste Erfahrung?
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## Welche Variante liefert die beste Erfahrung?
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* ### TL;DR: <box> Es hängt davon ab, welche Eigenschaft man am wichtigsten ist
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* ### TL;DR: <box> Es hängt davon ab, welche Eigenschaft am wichtigsten ist
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* **<box>Realismus**/**<box>am wenigsten beunruhigend**/**<box>Präferenz** $\implies$ `Skalierung`
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* **<box>Realismus**/**<box>am wenigsten beunruhigend**/**<box>Präferenz** $\implies$ `Skalierung`
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* **<box>Spaß**/**<box>Präferenz** $\implies$ `hinter Rauch verstecken`
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* **<box>Spaß**/**<box>Präferenz** $\implies$ `hinter Rauch verstecken`
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* **<box>Anstrengung** $\implies$ `Base (nur PHF)`. Wenn DPHF verwendet $\implies$ `Transparenz`
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* **<box>Anstrengung** $\implies$ `Base (nur PHF)`. Wenn DPHF verwendet $\implies$ `Transparenz`
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---
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---
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# Experiment 2: **Limitierungen**
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# Experiment 2: **Limitierungen**
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* Auch $n=12$ Teilnehmenden
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* Auch nur $n=12$ Teilnehmenden
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* TODO
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* Keine Unterscheidung zwischen physischen und mentalen **<box>Anstrengung** beim *exertion*
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* Auch wenn kompensiert $\rightarrow$ **<box>Anstrengung** bleibt hoch
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* TODO rest
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---
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<!-- _class: "references" -->
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<!-- _class: "references" -->
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@@ -299,17 +351,18 @@ Name | 🖐️ | 👁️ | 👂
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3. [Zenner, A., "Shifty - A Weight-Shifting Dynamic Passive Haptic
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3. [Zenner, A., "Shifty - A Weight-Shifting Dynamic Passive Haptic
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Proxy for Virtual Reality (IEEE VR 2017)." YouTube [Online].
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Proxy for Virtual Reality (IEEE VR 2017)." YouTube [Online].
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Verfügbar: https://www.youtube.com/watch?v=1l0wKk6q_ss. [Zugegriffen: 2026-05-19]. ](https://www.youtube.com/watch?v=1l0wKk6q_ss) (Demo-Video)
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Verfügbar: https://www.youtube.com/watch?v=1l0wKk6q_ss. [Zugegriffen: 2026-05-19]. ](https://www.youtube.com/watch?v=1l0wKk6q_ss) (Demo-Video)
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4. https://www.slideserve.com/sanders-nestor/chapter-5-designing-hci-experiments-powerpoint-ppt-presentation (TODO format, latin square example)
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</div><div>
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</div><div>
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TODO move references on 2 cols to improve readability
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TODO move references on 2 cols to improve readability
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TODO add rest of sources
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</div></div>
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</div></div>
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---
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---
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# MarpX-Präsentation online verfügbar
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# Präsentation online verfügbar
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<div class="multicolumn"><div align="center">
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<div class="multicolumn"><div align="center">
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@@ -329,4 +382,10 @@ TODO move references on 2 cols to improve readability
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[](https://gitea.ct.cozytren.ch/romane/sti-presentation)
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[](https://gitea.ct.cozytren.ch/romane/sti-presentation)
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</div></div>
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</div></div>
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```bash
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wget https://pages.ct.cozytren.ch/sti-presentation/presentation.pdf
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git clone https://gitea.ct.cozytren.ch/romane/sti-presentation
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```
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