Airfryer Interface Redesign
Airfryer Interface
Redesign
Airfryer Interface
Redesign
Airfryer Interface
Redesign
Airfryer Interface
Redesign
Eliminating Confusion &
Improving Efficiency
Eliminating Confusion &
Improving Efficiency
Eliminating Confusion &
Improving Efficiency
Role
UX Designer
Team
2* UX Designers
1* Industrial Designer
Tools
Figma
Figjam
Time
2 Months
Role
UX Designer
Team
2* UX Designers
1* Industrial Designer
Tools
Figma
Figjam
Time
2 Months
Role
UX Designer
Team
2* UX Designers
1* Industrial Designer
Tools
Figma
Figjam
Time
2 Months
Role
UX Designer
Team
2* UX Designers
1* Industrial Designer
Tools
Figma
Figjam
Time
2 Months
Role
UX Designer
Tools
Figma
Figjam
Team
2* UX Designers
1* Industrial Designer
Time
2 Months
tl;dr:
tl;dr:
tl;dr:
Conducted 2 rounds of user interviews & usability testing and a co-design workshop which:
Conducted 2 rounds of user interviews & usability testing and a co-design workshop which:
Conducted 2 rounds of user interviews & usability testing and a co-design workshop which:
119s
119s
119s
avg. baseline
error rate
avg. baseline
error rate
→
→
43s
43s
43s
in prototype
evaluation
in prototype
evaluation
Improved Interface Configuration Latency
Improved Interface
Configuration Latency
Improved Interface Configuration Latency
caused by Confusing Layout and Functions
caused by Confusing
Layout and Functions
caused by Confusing Layout and Functions
87.5%
87.5%
87.5%
baseline
error rate
baseline
error rate
→
→
0.0%
0.0%
0.0%
in prototype
evaluation
in prototype
evaluation
Eliminated Signifier Failure Rate
Eliminated Signifier
Failure Rate
Eliminated Signifier Failure Rate
caused by Ambiguous "M" Button assigned to presets
caused by Ambiguous
"M" Button assigned to
presets
caused by Ambiguous "M" Button assigned to presets
68.8%
68.8%
68.8%
baseline
error rate
baseline
error rate
→
→
0.0%
0.0%
0.0%
in prototype
evaluation
in prototype
evaluation
Eliminated Violation of User Locus of Control
Fixed Violation of
User Locus of Control
Eliminated Violation of User Locus of Control
caused by Accidental Auto-Start
caused by Accidental
Auto-Start
caused by Accidental Auto-Start
The Problem
The Problem
The Problem
Undesirable features along with insufficient labels and icons over populate the interface causing friction in primary task of air-frying food.
Co-designed with 11 participants to reduce task completion on average by 80%
Co-designed with 11 participants to reduce
task completion time by 80% on average
Co-designed with 11 participants to reduce
task completion on average by 80%
1st Round of Testing
Usability Testing & Interview (n=16)
1st Round of Testing
Usability Testing & Interview (n=16)
1st Round of Testing
Usability Testing &
Interview (n=16)
Objectives
Objectives
Objectives
Identify areas of friction
Identify areas of friction
Usability Task
Usability Task
Usability Task
Cook a puff in the air fryer by following instructions on the package
Cook a puff in the air fryer by following instructions on the package
Identified Problems (n≥5)
Identified Problems (n≥5)
Identified Problems (n≥5)
Preset button Issues (n=14, 87.5%)
Preset button Issues (n=14, 87.5%)
"There's an M. I don't know what M means... Touching M didn't do anything... The M is sort of mystery. Maybe it's a mystery button."
"There's an M. I don't know what M means... Touching M didn't do anything... The M is sort of mystery. Maybe it's a mystery button."
"Well, I just I still don't know what the M is, so I'm going to give it a three... What do you think the M does? I literally have no idea."
"Well, I just I still don't know what the M is, so I'm going to give it a three... What do you think the M does? I literally have no idea."
"I do not know what the M does. The icon that says M on it. And because the fact that the system seems to be working right now, I do not want to interfere with it."
"I do not know what the M does. The icon that says M on it. And because the fact that the system seems to be working right now, I do not want to interfere with it."
Observation
Observation
Observation
Users spent a lot of time
figuring out use of "M"
button
Users spent a lot of time
figuring out use of "M"
button
Users spent a lot of time
figuring out use of "M" button
Inference
Inference
Inference
"M" button was too vague
"M" button was too vague
Impact on Design
Impact on Design
Presets need clearly
labelled buttons
Presets need clearly labelled buttons
Presets need clearly labelled buttons
Power/Start Button & Auto-Start Issues (n=11, 68.8%)
Power/Start Button & Auto-Start Issues (n=11, 68.8%)
"With my previous experience with an air fryer, you have to confirm before you let it turn on."
"With my previous experience with an air fryer, you have to confirm before you let it turn on."
"I thought I was going to set the time by clicking it first, but that wasn't it. And also, it started going without me... I didn't really like that. It kind of did it without me."
"I thought I was going to set the time by clicking it first, but that wasn't it. And also, it started going without me... I didn't really like that. It kind of did it without me."
"Where's the press start button, right? Where can I press start to make it start cooking? Because it just starts by itself..."
"Where's the press start button, right? Where can I press start to make it start cooking? Because it just starts by itself..."
Observation
Observation
Observation
Participants had a hard
time finding a cook/start
button
Participants had a hard time finding a cook/startbutton
Fryer Auto start causes
panic in User
Fryer Auto start causes panic in User
Inference
Inference
Inference
The existing power button
acts as both power and
cook button
The existing power button acts as both power and
cook button
There is a set time after
which the Fryer Auto-Starts
There is a set time after which the Fryer Auto-Starts
Impact on Design
Impact on Design
Have separate cook and
power buttons
Have separate cook and power buttons
Have separate cook and
power buttons
Remove Auto-Start to give
ample time to set
preferences
Remove Auto-Start to give ample time to set preferences
Time & Temp Button Issues (n=6, 37.5%)
Time & Temp Button Issues (n=6, 37.5%)
"At first I was kind of confused cuz the first thing I saw were the plus minus buttons on both sides... I had to look closer to see like the timer and then the temperature."
"At first I was kind of confused cuz the first thing I saw were the plus minus buttons on both sides... I had to look closer to see like the timer and then the temperature."
"The clock is not lit up. The temperature is not lit up. Pretty much only the buttons to adjust things are lit up... you would just be hitting random plus and minuses."
"The clock is not lit up. The temperature is not lit up. Pretty much only the buttons to adjust things are lit up... you would just be hitting random plus and minuses."
"I noticed the lights first. I didn't quite see the clock and the temperature. So I saw two pluses and two minuses and was at first... cuz I didn't make the connection yet."
"I noticed the lights first. I didn't quite see the clock and the temperature. So I saw two pluses and two minuses and was at first... cuz I didn't make the connection yet."
Observation
Observation
Observation
User had a hard time
locating and got confused
when adjusting the time
and temperature
User had a hard time locating and got confused
when adjusting the time and temperature
User had a hard time locating and got confused
when adjusting the time
and temperature
Inference
Inference
Inference
The plus and minus icons
were lit up making the unlit
labels hard to read
The plus and minus icons were lit up making the unlit labels hard to read
Impact on Design
Impact on Design
Highlight the labels
Highlight the labels
Revised Problem Statement
Revised Problem Statement
Revised Problem Statement
Vague "M" button, power button being assigned 2 functions, auto-start and inappropriate labels on time and temp buttons cause confusion and panic adding friction when using the airfryer.
Co-designed with 11 participants to reduce task completion on average by 80%
Co-designed with 11 participants to reduce
task completion time by 80% on average
Co-designed with 11 participants to reduce
task completion on average by 80%
1st Prototype
1st Prototype
1st Prototype
Decisions
Decisions
Decisions
Removed "M" presets button
Removed "M" presets button
Removed Autostart
Removed Autostart
Separated Power & Start/Cook button
Separated Power & Start/Cook button
Added Labels to Time and Temp stepper buttons
Added Labels to Time and Temp stepper buttons
Increased area of interface to accomodate UI elements
Increased area of interface to accomodate UI elements
2nd Round of Testing
Participant C0-Design (n=13)
2nd Round of Testing
Participant C0-Design (n=13)
2nd Round of Testing
Participant C0-Design (n=13)
Objectives
Objectives
Objectives
Understand user perspective when designing their own airfryer interface
Understand user perspective when designing their own airfryer interface
Understand user perspective when designing their own airfryer interface
Common trends (n≥4)
Common trends (n≥4)
Common trends (n≥4)
Larger, Rectangular Grid Display (n=13, 100%)
Larger, Rectangular Grid Display (n=13, 100%)
User Reasoning
User Reasoning
To better accommodate the
elements
To better accommodate the
elements
Inference
Inference
Inference
The previous display was
too small to accommodate
desired buttons
The previous display was too small to accommodate
desired buttons
Impact on Design
Impact on Design
Increased size of display
Increased size of display
Separately displayed Time and Temp (n=12, 92.3%)
Separately displayed Time and Temp (n=12, 92.3%)
User Reasoning
User Reasoning
To eliminate any chances
of confusion when selecting
time & temp
To eliminate any chances of confusion when selecting time & temp
Inference
Inference
Inference
Having a single display
switch between time &
temp causes confusion
Having a single display switch between time &. temp causes confusion
Impact on Design
Impact on Design
Have separate time & temp
displays
Have separate time & temp displays
Power and Start Button Position (n=9, 69.2%)
Power and Start Button Position (n=9, 69.2%)
User Reasoning
User Reasoning
The power and cook buttons
were placed centrally and at
the bottom for better reach
The power and cook buttons were placed centrally and at the bottom for better reach
Inference
Inference
Users prefer having the power and cook button together rather that apart
Users prefer having the power and cook button together rather that apart
Impact on Design
Impact on Design
Moved the buttons together
and at the bottom, centrally
alligned
Moved the buttons together and at the bottom, centrally aligned
Opposing Trends
Opposing Trends
Opposing Trends
Single vs Separate Power/Start Button
Single vs Separate Power/Start Button
Usability Testing (Do) (n=11)
Usability Testing (Do) (n=11)
Need separate power and start button
Need separate power and start button
Co-Design (Say)
(n=7)
Co-Design (Say)
(n=7)
Have only power button
Have only power button
Decision
Decision
Have separate buttons for
separate functions
because users prefer them
while actually using the
airfryer
Have separate buttons for separate functions because users prefer them while actually using the air fryer
Decision
Have separate buttons for
separate functions
because users prefer them
while actually using the
airfryer
2nd Prototype
2nd Prototype
2nd Prototype
Decisions
Decisions
Decisions
Separated Time and Temp displays
Separated Time and Temp displays
Moved power and start button to the bottom
Moved power and start button to the bottom
Added Preset buttons with labels and icons for quick identification
Added Preset buttons with labels and icons for quick identification
Next Steps
Next Steps
Next Steps
Test again for further problem identification
Test again for further problem identification
Learnings
Learnings
Learnings
Further breakdown usability tasks as milestones to more precisely indentify the area of friction
Further breakdown usability tasks as milestones to more precisely indentify the area of friction
HARSHDEEP
NEHRA
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NEHRA
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NEHRA
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NEHRA
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HARSHDEEP
NEHRA