Usability Test
description
Transcript of Usability Test
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USABILITY TEST
Group 6Jorge Bensus, Ulises Santos,
Amjad Sheikh, Robert StephensCAP 4104
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INTRODUCTION
• Canon claims the Canon Rebel T3 DSLR (Digital Single-Lens Reflex) Camera is easy to use.
• 12.2 Megapixels• SD/SDHC/SDXC memory card• High Resolution 1920 x 1080• 2 mini-HDMI out• 34 – custom settings• 2 sec. shutter speed delay
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GOAL
• “The Canon EOS Rebel T3 is a premium entry level DSLR that captures excellent still images and video…” (Derrick Story, Macworld Magazine).
• Easy to use for consumers with little to no experience in using DSLR cameras.
• Easy to use as a point and shoot camera.
• Population Targeted• 18 – 25 years of age.• UCF students• Non-Technical Degree seeking students (No Engineers)
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BAD INTERFACE
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INTERFACE
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INTERFACE
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GOOD SIMPLE INTERFACE
Nikon Point and Shoot Camera
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EXPERIMENT
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DATA GATHERING
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RESULTS
• Four participants were familiar with the camera “%50 of the participants.”
• Average total time to finish the tasks was 2.25 minutes• Passing Rate was at %96
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RESULTS
• Only three participants failed to complete all the tasks.• Participant one failed two tasks.• Participants three and eight failed one task each.
Partici
pant
1
Partici
pant
2
Partici
pant
3
Partici
pant
4
Partici
pant
5
Partici
pant
6
Partici
pant
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Partici
pant
8048
12
Chart TitleTasks Passed Per Participant
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AVERAGE TIME
Take o
ff cap
Insert
Batt
ery
Insert
SD ca
rd
Set the
lens
focu
s
Turn th
e Cam
era O
n
Set man
ual e
xpos
ure
Focus
on w
ater b
ottle
Take a
pictu
re
View th
e imag
e
Turn th
e Cam
era of
f0.00
10.00
20.00
30.00
Average time per task
Seco
nds
• Participants were given five minutes to finish the tasks.• Participant 1 took the longest time to finish 3.53 minutes
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DIFFICULTY OF TASKS
3%
11%
11%
13%
4%
19%
17%
6%
13%
2%
Difficulty (Percentage)
Step 1- Take off capStep 2-Insert BatteryStep 3-Insert SD cardStep 4-Set the lens focusStep 5-Turn the Camera OnStep 6-Set manual exposureStep 7-Focus on water bottleStep 8-Take a pictureStep 9-View the imageStep 10-Turn the Camera off
• Step 6 was the most difficult task only because the participants were expecting a touch screen instead of dial.
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CONCLUSION
The Original Goal• Initial Interface Research
• Planning Testing Phases and Resources
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CONT.
The Usability Test• Conducting Testing
• Observing and Gathering
Data
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CONT.
The Results• Processing and Interpreting Findings
• Developing Charts based on Findings
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THE BOTTOM LINE
Final Remarks• User’s Recommendations
• Group’s Conclusion