breville sous chef food processor - M3 Design | Strategic Product

BREVILLE SOUS CHEF FOOD PROCESSOR
(BFP800XL)
M3 Design Heuristic Evaluation
www.m3design.com
+1.512.218.8858
October 2014
CONTENTS
•  Introduction
What, why, and how?
•  Evaluation Summary
Overview of evaluation and final scoring
•  Strengths & Opportunities
Key takeaways of evaluation
•  Evaluation Data Reference
M3 Design Confidential and Proprietary www.m3design.com
Breville Sous Chef Food Processor, June 2014
2
INTRODUCTION
M3 heuristic analysis process
What is a heuristic evaluation?
A heuristic evaluation is an usability assessment tool that M3 utilizes early in product development. It helps researchers,
designers and engineers identify usability problems related to how the product functions and interacts with the user. The
evaluator meticulously inspects the product and judges its compliance to predetermined usability and design criteria – the
heuristics. Why is it useful to you?
M3 heuristic evaluation serves 3 key purposes:
1. 
Learn from your competition – a method to create head-to-head comparisons to your competition, and understand the
pros and cons of each product
2. 
Improves decision making - allows the development team to quickly and thoroughly understand how well a product
performs to establish usability and design criteria for new product concepts
3. 
Concept evaluation tool – a highly efficient scoring tool used to assess multiple concepts during development to
objectively rank concept alternatives
M3 Design Confidential and Proprietary www.m3design.com
Breville Sous Chef Food Processor, June 2014
3
INTRODUCTION
M3 heuristic analysis process
How does it work?
M3 experts analyze a product against 9 evaluation criteria divided into 3 key stages . Each criteria is evaluated on a 5 point
scale based on how the product behaves and what it communicates to its user. The results indicate how close to the 5-point
optimum the product is designed from a human-centered perspective. 01
02
03
Refer to “Evaluation Data Reference” section for detailed explanation of each stage and its associated criteria
M3 Design Confidential and Proprietary www.m3design.com
Breville Sous Chef Food Processor, June 2014
4
HEURISTIC EVALUATION
Breville Sous Chef Food Processor
M3 Design Confidential and Proprietary www.m3design.com
Breville Sous Chef Food Processor, June 2014
5
HEURISTIC EVALUATION
Breville Sous Chef Food Processor
Every cook loves cool kitchen gadgets that
help them cook easier, cook faster, and cook
smarter. A food processor is the perfect
example - a highly versatile kitchen helper
that chops, slices, shreds, grinds, and purees
almost any food. Some more expensive
models can even make fruit and vegetable
juice, beat cake batter, knead bread dough,
beat eggs, and grind meat! With such a lengthy list of impressive
capabilities, one must wonder how easy or
challenging it is to setup and use such a
product. Assuming few users use every
feature every day, designing a food
processor that is highly intuitive and simple
to use is critical to delivering a great user
experience.
M3 has chosen a mid-high-end model to see
how it fares against our heuristic criteria.
M3 Design Confidential and Proprietary www.m3design.com
Breville Sous Chef Food Processor, June 2014
6
EVALUATION SUMMARY
Breville Sous Chef Food Processor
USABILITY & DESIGN
CRITERIA
EVALUATION SUMMARY
IMPRESSION
ENGAGEMENT
EXPERIENCE
SCORE *
Overall appearance is appropriate and is as expected for this type of product in this price range. The corporate
design language has been executed thoughtfully well; faithfully communicating the function and its usability
story. Use of materials, colors, and labels & markings are mostly appropriately considered. Generally, the
system is simple, and easy to understand. Other than a few minor issues and inconsistencies, initial impressions
of the product was certainly positive.
AESTHETICS
4
SIMPLICITY
4
LANGUAGE
4
The majority of controls and user touch-points are very well considered. Overall usability is relatively
straightforward, and easy to use. There are many thoughtful touches on the product that will delight the user.
User feedback from most touch-points has been designed and considered to some level. Have said that,
several usability and safety shortcomings prevented the product from achieving full marks in this category. APPROPRIATENESS
4
FLEXIBILITY
4
FEEDBACK
4
ERROR PREVENTION
3
RECOVERY
3
CONSISTENCY
4
While the product and user touch-points are well considered, the wide variety of cutters and spindle assemblies
are definitely the system’s weakest link. Minimal instructions and limited usability cues on how to assemble the
cutter to the container requires a hint of educated guesswork, and does not inspire confidence and safety from
the user’s perspective. It is also irritating that minor mistakes cannot be easily solved, causing some confusion
within the workflow. However, the rest of the product is still well designed, simple, and looks good doing it.
* Scoring System
1
2
3
4
5
M3 Design Confidential and Proprietary www.m3design.com
Breville Sous Chef Food Processor, June 2014
=
=
=
=
=
Does not meet minimum usability and design considerations
Meets minimum usability and design considerations
Meets some of the usability and design considerations
Meets most of the usability and design considerations
Meets optimum usability and design considerations
7
EVALUATION SUMMARY
Breville Sous Chef Food Processor
Final Average Score
3.8
(out of 5)
M3 Heuristics
Meets most of the usability and
design considerations
M3 Design Confidential and Proprietary www.m3design.com
Breville Sous Chef Food Processor, June 2014
8
STRENGTHS
Key elements that should be embraced or improved upon
•  Distinctive design language that is well
executed and consistently applied
•  Well implemented usability story
throughout the system
•  Simple labels and markings to ensure
good communication and ease of use
•  Good use of materials and colors give the
product a professional and premium
appearance
•  Outstanding feedback on all primary user
touch-points
Back lit buttons offer status indication, and controls are easy to
wipe down and clean. Excess power cable can be tucked inside of base out of sight.
•  Thoughtful conveniences throughout the
product, such as cable management,
plunger as measuring cup, and rubber
feet under container
•  Good safety lock-out feature
•  All accessories and tools are stored inside
storage box
Thoughtful ergonomic detail on the base ensures overall handling is Supplied accessories reside in separate storage case to minimize
a delightful experience.
risk of missing tools, and maximize hygiene when not in use.
M3 Design Confidential and Proprietary www.m3design.com
Breville Sous Chef Food Processor, June 2014
9
OPPORTUNITIES
Key elements that should be reconsidered and redesigned
•  All alignment features and markings must
be clear, appropriately sized, and obvious
to the user during interaction
•  User safety is always a high priority – all
sharp blades must be protected or
directed away from the user during
interaction •  Containers must hold content securely
and chance of spillage must be
considered and avoided
•  Unnecessary gap on the plunger / hopper
fitment should be reconsidered to avoid
user mental model confusion Alignment indicators are provided on lid and container, but the
small graphics are often over-looked during interaction.
Small container design is not fully enclosed, which allows ingredient
to easily escape during and after processing.
Risk of finger cuts on exposed blade during adjustment of the
adjustable slicer Confusing mental model, where the plunger design will not fully sit
in hopper after it bottoms out inside.
•  All user touch-points should share the
same interaction / mental behavior to
avoid user confusion and potential
damage to product
M3 Design Confidential and Proprietary www.m3design.com
Breville Sous Chef Food Processor, June 2014
10
EVALUATION DATA REFERENCE
01 IMPRESSION
Evaluation Guidelines
The impression stage of a product experience in where the product conveys its look, feel and functional details. At this stage
users formulate an overall perception of the product. This is where certain judgments are made about the perceived level of
simplicity or complexity, and initial assessments of how usable the product is for it’s intended use.
AESTHETICS
SIMPLICITY
LANGUAGE
Conveys appropriate look & feel - functional form and
purposeful details
Overall perception of product, visibility of information, and
level of complexity in terms of product interaction
Use of natural and logical words, labels, meaningful colors,
and logical interactions
Considerations:
Considerations:
Considerations:
• 
• 
• 
• 
• 
What does the overall appearance say to you?
Is the form appropriate for its intended purpose?
Is it “form follows function” or “style over substance”?
• 
• 
M3 Design Confidential and Proprietary www.m3design.com
Does the product details convey a sense of simplicity?
Is the product over-loaded with complex and confusing
details?
Are product information (e.g. brand, labels, buttons)
clearly visible and readable?
Does the product guide you through its use and
operation?
Breville Sous Chef Food Processor, June 2014
• 
• 
• 
Does the product communicate its use and operation
in simple easy-to-understand terminology?
Are the touch-points all well labeled and identified in a
logical concise format and language?
Are the product colors telling you something?
12
01 IMPRESSION
Evaluation Worksheet
AESTHETICS
Conveys appropriate look & feel - functional form and purposeful details
-
•  Look and feel is appropriate to its purpose and product is instantly
familiar
•  High-end and well-made – looks like it’s worth the asking price
•  Industrial looks – for the professional kitchen
•  Well-considered soft curved form looks easy to clean
•  Colors of metal and plastic parts are very nice – speaks to premium
and professional
•  Base design is simple and well thought-out (foot, venting, cable
management, labeling, branding)
•  Clear plastic parts are appropriate and provide visual feedback
•  Big bulky appearance (but understandable)
•  Looks clunky
•  Plastic teeth on motor coupling interface look weak – questioning its
durability over time
•  Chrome cutting blades are prone to finger-print marks after handling
M3 Design Confidential and Proprietary www.m3design.com
Breville Sous Chef Food Processor, June 2014
13
01 IMPRESSION
Evaluation Worksheet
SIMPLICITY
Overall perception of product, visibility of information, and level of complexity in terms of product interaction
-
•  Product appears highly simple to use
•  Alignment indication throughout the product looks straightforward and
easy to understand
•  Multiple layers of clear plastic on the container assembly does not
look complicated or intimidating
•  Controls appear simple and straightforward
•  Large array of accessories and tools in storage box can look rather
daunting for the first time users M3 Design Confidential and Proprietary www.m3design.com
Breville Sous Chef Food Processor, June 2014
14
01 IMPRESSION
Evaluation Worksheet
LANGUAGE
Use of natural and logical words, labels, meaningful colors, and logical interactions
-
•  Labeling on controls are well-sized, clear to read, and easy to
understand
•  Use of colors, form, fonts and graphics are consistently presented
•  Accessory storage box is well labeled for easy identification of tools
•  Excellent use of distinct shapes in the accessory box to ensure tools
and accessories can be perfectly arranged and stored every time
•  Font style of choice on product is modern and high-tech
•  Most accessories and tools are labeled
•  All user touch-points on product are considered at some level
• 
• 
• 
• 
M3 Design Confidential and Proprietary www.m3design.com
Breville Sous Chef Food Processor, June 2014
Not all accessories and tools are labeled
LCD readout looks rather basic and cheap
LCD timer readout does not provide unit indication
Inconsistent use of terminologies between product and instruction
manual
15
02 ENGAGEMENT
Evaluation Guidelines
The engagement stage sets out to assess specific characteristics of the product in use. Users at this stage judge how well it
feels and functions in relation to its intended use. This is where users assess the object’s ability to provide feedback, and
adapt to changing users and/or environmental conditions.
APPROPRIATENESS
FLEXIBILITY
FEEDBACK
Interaction is in context and relevant to the product conveys a sense of familiarity and appropriate mental
model
Use of product is efficient and adaptable, based upon
different users and environmental influences
Product communicates its intentions at all times in regards
to its state, mode, action, status, mistake and error, etc.
Considerations:
Considerations:
Considerations:
• 
• 
• 
Does the way the product is used and operated make
any logical sense in its given context?
Does the product feel appropriate and relevant during
use?
• 
• 
Does the product adapt to your needs, or do you need
to adapt to the product?
What happens if more than one person uses the same
product?
Can the product work efficiently under other intended
environments and scenarios?
• 
• 
• 
• 
• 
M3 Design Confidential and Proprietary www.m3design.com
Breville Sous Chef Food Processor, June 2014
Does the product validate and confirm all interactions
during use?
Does the product notify the user on operation status?
Does the product notify the user when there’s an
error?
How does the product notify the user when a mistake
has been made?
Does all touch-points communicate its state and
intentions?
16
02 ENGAGEMENT (1)
Evaluation Worksheet
APPROPRIATENESS
Interaction is in context and relevant to the product - conveys a sense of familiarity and appropriate mental model
-
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
Cut size control adjustment on the adjustable slicer is a nice feature
Fine and coarse shredding options on one shredder cutter is clever
Primary use/operation mode is simple and straightforward
Installation and setup of cutter is relatively straightforward
Integrated low cost cable management in base is considerate and
relatively well implemented
Integrated rubber feet stop the product from moving during use
Integrated bumper feet on the bottom of the small container shows
great care and attention to detail in terms of usability
Dimple feature under plunger helps stabilize food during plunging
Small plunger doubles as a measuring cup
Large and small plunger option is versatile for food and liquid input
Plastic containers and parts have no unusual or bad smell
Operating sound and running noise is good at an appropriate audible
level
M3 Design Confidential and Proprietary www.m3design.com
Breville Sous Chef Food Processor, June 2014
•  Container lid touch-point is not a thru-hole, so it’s occasionally difficult
to grasp
•  Plunger design prevents the plunger from being completely inserted
in hopper
•  Small plunger does not stay inside of large plunger, potentially
dropping the small plunger upon removal from container
•  Container lid alignment is easily missed, and lid could be forced on
even if not aligned correctly during assembly
•  Plunger is not cleanable in a dishwasher
•  Inconsistent rotational travel between base + container and lid +
container leads to alignment confusion
•  Container handle blocks controls on base, and potentially line of sight
upon assembly to base
•  No storage solution for small container if only the large container is
used
17
02 ENGAGEMENT (2)
Evaluation Worksheet
APPROPRIATENESS
Interaction is in context and relevant to the product - conveys a sense of familiarity and appropriate mental model
-
•  Small container is stored inside large container after use
•  Nice and short beep sound upon completion of cycle is not annoying
•  Provided spatula is a nice touch, and appropriately designed with a
semi-rigid edge for easy scooping
•  Provided brush is a nice touch, with a useful dual purpose handle
design
•  Custom power plug with finger thru-hole for easy removal
•  Adjustment knob on adjustable slicer is too small, and user’s fingers
are too close to exposed sharp blade during adjustment
•  Adjustment knob on adjustable slicer is located on the underside, and
requires multiple steps to re-adjust after it’s installed on product
•  Spinning cutting blade does not stop immediately after power off
(even after the container lid is removed)
•  Only the adjustable slicer has a safety warning marking
•  Red blinking power button is confusing – nothing happens upon
interaction
•  Button interaction behavior is inconsistent
•  Power button label is confusing to interpret during use
•  Most cutting blades have too many crevices which make it very
difficult to clean well
•  Food debris escapes out of the small container to the large container
while in use
M3 Design Confidential and Proprietary www.m3design.com
Breville Sous Chef Food Processor, June 2014
18
02 ENGAGEMENT (3)
Evaluation Worksheet
APPROPRIATENESS
Interaction is in context and relevant to the product - conveys a sense of familiarity and appropriate mental model
-
M3 Design Confidential and Proprietary •  Small container has an open center, and food easily spills out
unintentionally
•  Large container often releases from base when user only wants to
release the lid
•  Product powers up immediately upon assembly of the container when
the product is engaged in pause mode (user is startled)
www.m3design.com
Breville Sous Chef Food Processor, June 2014
19
02 ENGAGEMENT
Evaluation Worksheet
FLEXIBILITY
Use of product is efficient and adaptable, based upon different users and environmental influences
-
•  Large array of accessories and tools available for almost any food
prep needs
•  2 plunger size options to make solid food and liquid insertion easily
•  Small container option
•  Product allows up to 2 different attachment/cutter options in the large
container
•  Product has no variable speed or dual speed control
M3 Design Confidential and Proprietary www.m3design.com
Breville Sous Chef Food Processor, June 2014
20
02 ENGAGEMENT
Evaluation Worksheet
FEEDBACK
Product communicates its intentions at all times in regards to its state, mode, action, status, mistake and error, etc.
-
•  Every user touch-points have some form of feedback
•  Removal of container lid has the perfect amount of resistance that
communicates a feeling of “quality”
•  LCD timer readout is useful
•  LCD readout provides basic but helpful status indication when user
needs it
•  Nice and short beep sound upon completion of cycle
•  Clear plastic parts provide visual feedback on how the parts break out
and how the product works
•  Loose and shaky spindle assembly does not inspire reliability
•  Loose cutter assembly inside container is scary when powering up for
the first time every time
•  No feedback as to how much to rotate during container removal
•  Large container can be incorrectly inserted on to base without any
indication or warning
•  Product powers up immediately upon assembly of the container when
the product is engaged in pause mode (user gets startled)
M3 Design Confidential and Proprietary www.m3design.com
Breville Sous Chef Food Processor, June 2014
21
03 EXPERIENCE
Evaluation Guidelines
The experience stage sets out to assess a products ability to deal with or avoid error conditions. Users at this stage assess its
ability to correct its mistakes. Finally, this stage is where users judge how well the product delivers consistency across its user
touch points and performance.
ERROR PREVENTION
RECOVERY
Product prevents problems before it happens
Ability to correct mistakes - reversible actions and states
CONSISTENCY
Consistent delivery of Aesthetics, Language, Relevancy,
and Feedback
Considerations:
Considerations:
• 
• 
How well does the overall product prevent user error
from happening?
How easy does the touch-points allow mistakes to be
made?
• 
• 
Is it possible to recover from the mistake?
How easy is it to correct the mistake?
Considerations:
• 
• 
• 
• 
M3 Design Confidential and Proprietary www.m3design.com
Breville Sous Chef Food Processor, June 2014
Is the overall look & feel and context of use
consistently conveyed throughout the product(s)?
Is the use of language, icons, and colors consistently
delivered on the product(s)?
Does all the interaction/ touch-points share the same
or similar usability story?
Does the product consistently provide meaningful
feedback no matter what and where the user is
interacting?
22
03 EXPERIENCE
Evaluation Worksheet
ERROR PREVENTION
Product prevents problems before it happens
-
•  Product will not run without plunger in hopper
•  None of the cutters can operate when assembled up side down
(cannot close lid)
•  For safety reasons, user must remember not to remove lid right after
operation when the cutter is still spinning
•  No indication of how cutters should be inserted without referencing
the instruction manual
•  Large container can be incorrectly inserted on to base without any
indication or warning
•  Container lid could be forced on to the container and get jammed, if
not correctly aligned during assembly
•  No indication that whisk must be used with spindle
•  No indication that whisk must be pressed down on to spindle before
use
M3 Design Confidential and Proprietary www.m3design.com
Breville Sous Chef Food Processor, June 2014
23
03 EXPERIENCE
Evaluation Worksheet
RECOVERY
Ability to correct mistakes - reversible actions and states
-
•  More than one way to stop cycle while in operation mode
•  Easy to stop cycle while in operation mode
•  Easy to add more ingredient if user forgets during cycle
•  Needs brute force to remove a jammed container lid if assembled
incorrectly
•  Difficult to adjust the adjustable slicer once the cycle begins (multiple
steps to remove adjustable slicer and adjustment knob becomes
slippery to grasp)
•  Exposed blade on adjustable slicer is poorly designed and located,
could potentially cut user’s fingers during adjustment
•  Confusing if user cannot figure out that whisk must be pressed down
fully on to spindle if food does not get whisked
M3 Design Confidential and Proprietary www.m3design.com
Breville Sous Chef Food Processor, June 2014
24
03 EXPERIENCE
Evaluation Worksheet
CONSISTENCY
Consistent delivery of Aesthetics, Language, Relevancy, and Feedback
-
•  Food processor is well considered and designed through-out; touchpoint details are appropriate, consistent, and thoughtful
•  Consistent use of fonts, colors, graphics, and branding
•  Excellent feedback on user touch-points
•  Control interface and food processor design language is consistent
with rest of company product portfolio
•  Spatula design does not follow the overall product design language
•  Accessory storage box design could be further refined to better
reflect the overall product design language
•  Inconsistent rotational travel between base + container and lid +
container leads to alignment confusion
M3 Design Confidential and Proprietary www.m3design.com
Breville Sous Chef Food Processor, June 2014
25
Heuristics
Open as PDF
Similar pages
Network architecture
BFP800XL USA Warranty B12 Web