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Improving Android’s HTC User Manual

Improving Android’s HTC User Manual. Why do we care?. New Operating System. Efficient informational sources are important for future phones. Poorly made user manuals are wasted money. Making it easy to be an expert can increase revenue. Defining The User.

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Improving Android’s HTC User Manual

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  1. Improving Android’s HTC User Manual

  2. Why do we care? • New Operating System • Efficient informational sources are important for future phones • Poorly made user manuals are wasted money • Making it easy to be an expert can increase revenue

  3. Defining The User • 66% say they do not use the manual to learn new functions • 76% say they look online or ask a friend. • 14% say they are self learners • 66% say they do not know how to harness their phone’s full potential • 61% believe user manuals are important • 81% say they prefer pictorial instructions whenever possible • Literature shows that the wrong words can be problematic N = 21

  4. Task Analysis • Evaluated three tasks: • Displaying the phone’s phone number • Turning off the phone’s location • Updating the phones Firmware • Methods: • Observation

  5. Display phone number 2.0 Open Mobile Guide 1.0 Open Apps 5.0 Execute directions 4.0 Encode Directions 3.0 Find “display phone number” 4.1 Home > settings> about phone > phone identity 3.0A Use query 3.0B Read Manual 3.1B Device Basic 3.2B Display Number Mean Bedford = 3.8

  6. Turning off Location 2.0 Open Mobile Guide 1.0 Open Apps 5.0 Execute directions 4.0 Encode Directions 3.0 Find “Location Settings” 4.1 Home > settings> location > read disclaimer > tap off/on > tap back 3.0A Use query 3.0B Read Manual 3.2B Tap “location settings” 3.1B Tap “settings” Mean Bedford = 5

  7. Updating Firmware 2.0 Open Mobile Guide 1.0 Open Apps 5.0 Execute directions 4.0 Encode Directions 3.0 Find “firmware updates” 4.1 Home > menu > settings> system updates > firmware updates 3.0A Use query 3.0B Read Manual 3.1B Tap “Device Basics” Mean Bedford = 3

  8. Results • Mean SUS score = 61.5 • Grand mean of Bedford score = 3.9

  9. Requirements for Prototype • Shall have the same button layout as the HTC EVO by Sprint • Shall have the same navigation as the HTC EVO by Sprint • Shall use the same directions for executing the tasks as the HTC EVO by Sprint • Should have a consistent color scheme as the HTC EVO by Sprint

  10. Prototype

  11. Results • Average SUS Score = 90 • Grand average of Bedford Score = 2.1

  12. Discussion • The prototype yielded an increased SUS score of 28.5 points • The prototype yielded a lower Bedford score of 1.8 points • The prototype reduced 53 errors

  13. Limitations • Usability testing did not take place on an Android phone • This may have biased error rates.

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