4-Persepsi dan Representasi

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TI1143 – Interaksi Manusia dan Komputer 4-Persepsi dan Representasi Metode Pengkodean Maquire, 1985 Metode Pengkodean Maquire, 1985 Coding Method Alpha numerics Shapes Colour Line angle Line length Number of codes Unlimited 10 – 20 4 – 11 8 – 11 3 – 4 Comments Highly versatile. Meaning can be self evident. Location time may be longer than for graphic coding Very effective if code matches object or operation represented Attractive and efficient. Exessive use confusing. Limited value for colour-blind. Good in special cases, for example: wind direction Good. Can clutter display if many codes displayed Coding Method Object size Brightness Blink Reverse video Underlining Number of codes 3 – 5 2 – 4 2 – 4 No data No data Comments Fair. Can take up considerable space. Location time longer than for shape and colour. Can be fatiquing, especially if screen contrast is poor. Good for getting attention but should be suppressible afterwards. Annoying if overused. Limit to small fields. Effective for making data stand out. If large area is in reverse video, flickers is more easily perceived Useful but can redce text legibility Line width 2 – 3 Good combination unlimited Can reinforce coding but complex combination can be confusing Line style 5 – 9 Good Komunikasi Visual Desain Grafis Suitability to Task What, bentuk penampilan, struktur fisik dan hubungan / organisasi antar bagian secara keseluruhan. How, gerakan fisik, aliran sistem, proses reaksi yang terjadi terhadap suatu kejadian. How much, ukuran fisik, kuantitas numerik, kecenderungan naik/turun dan pengelompkkan bagian-bagian. Where, lokai obyek, posisi dibanding obyek lain dan seterusnya. Representasi yang berbeda mendukung persepsi yang berbeda untuk tugas kognitif yang berbeda pula. Restyandito, S.Kom,MSIS 14
TI1143 – Interaksi Manusia dan Komputer 4-Persepsi dan Representasi Referensi • Preece, Rogers, Sharp, 2002, Interaction Design: Beyond Human-Computer Interaction, John Wiley & Sons, Inc. ( hal 76-78 78 ) • Preece, Rogers, Sharp, 1996, IHuman-Computer Interaction, Addison-Wesley. ( hal 75-98 ) • Barsalou, 1992, Cognitive Psychology: An Overview for Cognitive Scientist, LEA Publisher. ( hal 52-59 59 ) The End Restyandito, S.Kom,MSIS 15
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4-Persepsi dan Representasi

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