PRINSIP USABILITY


1. Pengertian Usability

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πŸ“– Deskripsi

Usability adalah tingkat kemudahan penggunaan suatu sistem oleh pengguna untuk mencapai tujuan tertentu secara efektif, efisien, dan memuaskan.

🧠 Narasi Penjelasan

Usability menjawab pertanyaan:

  • Apakah sistem mudah digunakan?
  • Apakah pengguna cepat memahami?
  • Apakah pengguna merasa nyaman?

πŸ‘‰ Sistem yang usable akan meningkatkan produktivitas dan kepuasan pengguna.


2. Tujuan Usability

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πŸ“– Deskripsi

Tujuan usability adalah meningkatkan kualitas interaksi pengguna.

🧠 Narasi Penjelasan

Tujuan utama:

  • Efektivitas β†’ tugas selesai dengan benar
  • Efisiensi β†’ waktu minimal
  • Kepuasan β†’ pengalaman menyenangkan

πŸ‘‰ Usability adalah fondasi dari UX yang baik.


3. 5 Komponen Usability (Nielsen)

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πŸ“– Deskripsi

Menurut Jakob Nielsen, usability terdiri dari 5 komponen utama.

πŸ“Š Tabel:

KomponenPenjelasan
LearnabilityMudah dipelajari
EfficiencyCepat digunakan
MemorabilityMudah diingat
ErrorsMinim kesalahan
SatisfactionNyaman digunakan

🧠 Narasi Penjelasan

Kelima komponen ini menjadi standar dalam evaluasi usability.


4. Learnability (Kemudahan Belajar)

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πŸ“– Deskripsi

Kemudahan pengguna dalam memahami sistem pertama kali.

🧠 Narasi Penjelasan

πŸ‘‰ Sistem harus:

  • Intuitif
  • Tidak memerlukan pelatihan panjang

Contoh: aplikasi dengan menu sederhana.


5. Efficiency (Efisiensi)

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πŸ“– Deskripsi

Kecepatan pengguna dalam menyelesaikan tugas.

🧠 Narasi Penjelasan

πŸ‘‰ Sistem efisien:

  • Minim langkah
  • Cepat respon

6. Memorability (Kemudahan Diingat)

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πŸ“– Deskripsi

Kemudahan pengguna mengingat cara penggunaan.

🧠 Narasi Penjelasan

πŸ‘‰ Sistem harus:

  • Konsisten
  • Tidak berubah-ubah

7. Errors (Kesalahan Pengguna)

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πŸ“– Deskripsi

Jumlah dan tingkat kesalahan pengguna.

🧠 Narasi Penjelasan

πŸ‘‰ Sistem harus:

  • Mencegah error
  • Memberikan solusi

8. Satisfaction (Kepuasan)

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πŸ“– Deskripsi

Perasaan pengguna saat menggunakan sistem.

🧠 Narasi Penjelasan

πŸ‘‰ Sistem yang baik:

  • Nyaman
  • Menyenangkan
  • Tidak membuat frustrasi

9. Prinsip Usability dalam Desain UI

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πŸ“– Deskripsi

Prinsip desain untuk meningkatkan usability.

🧠 Narasi Penjelasan

  • Konsistensi
  • Feedback
  • Simplicity
  • Visibility

10. Heuristik Nielsen (10 Prinsip)

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πŸ“– Deskripsi

Panduan evaluasi usability.

🧠 Narasi Penjelasan (ringkas)

Beberapa prinsip:

  • Visibility of system status
  • Match with real world
  • User control
  • Consistency

πŸ‘‰ Digunakan untuk evaluasi UI.


11. Usability Testing

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πŸ“– Deskripsi

Metode untuk menguji usability sistem.

🧠 Narasi Penjelasan

  • Observasi pengguna
  • Analisis hasil
  • Perbaikan desain

12. Faktor yang Mempengaruhi Usability

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πŸ“– Deskripsi

Beberapa faktor mempengaruhi usability.

🧠 Narasi Penjelasan

  • User (pengguna)
  • Sistem
  • Lingkungan

13. Contoh Usability Baik vs Buruk

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πŸ“– Deskripsi

Perbandingan sistem.

πŸ“Š Tabel:

BaikBuruk
MudahRumit
CepatLambat
JelasMembingungkan

14. Studi Kasus Usability

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7

πŸ“– Deskripsi

Analisis usability pada aplikasi.

🧠 Narasi Penjelasan

Contoh:

  • Aplikasi mudah digunakan β†’ sukses
  • Aplikasi rumit β†’ ditinggalkan

15. Ringkasan Materi

πŸ“– Deskripsi

Poin penting pembelajaran.

🧠 Narasi Penjelasan

  • Usability = kemudahan penggunaan
  • Memiliki 5 komponen utama
  • Penting dalam desain sistem

16. Kesimpulan

  • Usability adalah kunci keberhasilan sistem
  • Sistem harus mudah, cepat, dan nyaman
  • Evaluasi usability harus dilakukan secara rutin

🎯 LATIHAN / DISKUSI

  1. Apa itu usability?
  2. Sebutkan 5 komponen usability!
  3. Mengapa usability penting?

πŸ“ TUGAS

  • Analisis usability dari 1 aplikasi:
    • Apakah mudah digunakan?
    • Apakah efisien?
    • Apa kekurangannya?