2. Overview
• This will be a 9x7 inches waterproof
interactive handheld device that will allow
users to grocery shop from anywhere. Device
is portable but may be attached to
refrigerator, if desired.
• Users will be able to select items from various
stores and place them in various locations in
their kitchen (i.e. fridge, pantry, cabinet).
3. User Characteristics
• Age 10+ required due to needed ability and knowledge to read and identify items and
perform check-out process. No gender restrictions.
• With talk-back function, user with visual disabilities would be able to interact and operate
the device after assistance with set up from someone who does not possess this
disability.
• Individuals who are hearing impaired will be able to set up device via visualizations.
• Device not recommended for users who possess both of these disabilities because it does
not accommodate those who cannot visually nor aurally use the device.
• Anyone with at least a 5th grade reading level or basic education can operate this device
visually or auditory.
• This device will be user friendly (familiarity with smart devices, ATMs, self-checkouts or
any other touchscreen devices will have an added advantage). Basic hand/eye
coordination capabilities required if user chooses hands-on method.
• KSAOs: item recognition, ability to navigate through screens, cognitive mapping ability to
see and/or hear, hand/eye coordination, knowledge of mathematical concepts, spatial
ability, chronology, active listening (if necessary), speech clarity (if necessary), oral
comprehension, written comprehension (if necessary), near vision (if necessary),
4. Overview Functions
• Primary Function
– Grocery shopping
• Sub-Function
– Personalization
– Item Selection
– Payment Transaction
– Selection of Item Location
– Storage of Purchase History
5. TASKS
• Personalization
– Step 1: Once user receives device, it will need to be synced with the
AirFridge (which is the wireless system that allows communication
between the device and the refrigerator). The Help Function will assist
with this if needed.
– Step 2: Personal settings will be done during this step including
language and voice recognition set up, accessibility, privacy settings,
and configuration. Under these settings user will be able to store card
information or preference for payment method as well as create a
password for verification purposes. User can choose an alternate card
at checkout if necessary. User will also have the option to set up
favorite stores and set price match options.
– Step 3: User will then need to use camera to capture images of their
kitchen such as inside of refrigerator, cabinets, pantries, countertops,
etc. Dimensions of the location will be auto captured and saved.
6. Continued…
• Item Selection
– Step 4: User will then be able to begin shopping by navigating through handheld device by
touching and/or speaking items to add to shopping cart. Prices will be displayed next to all
items.
– Step 5: Once an item or items are decided upon, user will be able to select to add them to the
shopping cart.
• Payment Transaction
– Step 6: User will be able to select checkout option to view all items in shopping cart to
remove/purchase items. One-click feature will be available.
• Selection of Item Location
– Step 7: User will then be able to manually or verbally select desired location of item via
images captured and saved of the kitchen.
• Storage of Purchase History
– Step 8: Device will save purchases in “Purchase History” on device
– Step 9: Device will prompt user on choice of sending receipt via email
7. Environment Analysis
• Device will be located in the home but can be used outdoors. Attachment
feature will allow for placement on Fridge to prevent loss and mishandling.
• Device could be exposed to small children, pets, or other unintended users.
Risk of distractions are minimal. There will be dialogue between the device
and user creating social interaction. This device will be limited for use in the
U.S. but will have language and keyboard support (ex. Mandarin, Japanese,
Spanish, French, German, Portuguese).
• User concerns are minimal but may involve privacy of card information and
convenience. Device will be secure through passcodes so user will not have to
worry about fraud or identity theft. User can be confident that system will only
work when they desire.
• Motivations may include hunger, convenience, no anxiety over crowded
shopping experience. Device will have ability to be personalized with code
activation as well as ability to store credit/debit card information with
password verification.
• Users will have to pay for merchandise before delivery to prevent any legal
constraints.
8. User Preferences
• Device itself has no physical constraints but merchandise constraints will be
limited to space available due to location dimensions.
• People will enjoy using this product because it is lightweight, sleek, and visuals are
in color.
• It includes haptic feedback and there will be many sound options to chose from for
use with touch and other features.
• There is spellcheck, auto-fill, and suggestion features that will allow user to choose
from frequently purchased items.
• Parental control and security lock feature will allow for prevention of unauthorized
use.
• User will love the feature of choosing and verifying which and what type of card
they would like to pay with and saving money by choosing from price match
suggestions.
• Users from all cultures will feel comfortable using the device because of the many
language options available and the feature that allows for voice recognition setup.
• Individuals will enjoy the option to chose products from different cultures as long
as they are available in the U.S.
9. Human Factors Criteria
• Icon Representation: The icons on the home screen of the device will include:
– A camera which looks identical to a camera
– A settings icon which looks identical to a bolt
– A help icon which looks like a button with “HELP” inscribed on it
– A Shopping icon which looks like a shopping bag
When icons are touched user is navigated to section that will allow for image
capturing, set up, assistance, navigation to merchandise.
• Accessibility: This product is usable by as many individuals as desired as long
as there are no physical or mental disabilities that will limit operation. Any
user can access device but a password is required to use a stored or previously
used card. However, new card information can be input at checkout with no
restrictions.
10. Continued…
• Advance Organizer: Familiarity with touchscreen or smart devices will aid in
the utilization of the device.
• Aesthetic-Usability Effect: Sleek, light-weight, hands-off capability, colorful.
• Feedback: Haptic feedback capability feature, click sounds for touch, talk-back
function, spellcheck, and suggestions.
• Constraint: Limited on purchasing merchandise without card password
verification.
• Cost-Benefit: User will break even on price of product by saving gas money it
costs to travel to different locations to grocery shop. Other benefits include:
saving time and energy; less effort (especially for physically disabled); and the
comfort of shopping at home.
• Forgiveness: Prompts - removing items from the cart, credit card payments,
receipt method, space capacity. Can also be related to confirmation.
• Hick’s Law: Once a product is chosen, size, type, and brand choices will need
to be made.
• Mapping: The device has a virtual replication of the kitchen that will aid the
user in exact item placement with select and drop or drag and drop feature.
11. Interface
Camera Shopping Help
Settings
The device has icons
that represent the
function that it does.
The icons are
universal images
that are easily
recognizable. This
demonstrates icon
representation.
The device
demonstrates
aesthetic-
usability Effect
with its sleek,
light-weight,
hands-off
capability, and
colorful
interface.
12. When the “Camera” icon is pressed,
the device will direct to an alternate
screen that allows you to capture and
save images.
13. Testimony:
The device is “Accessible”-
Abby
Once the “Settings” icon is
touched. The device gives
accessibility options for users
who have hearing or visual
disabilities. This feature
reduces the user’s
performance load.
14. When the screen is
touched,
depending on
where user is
within device, it
will vibrate, click,
make suggestions,
and offer spelling
corrections. This
demonstrates
Feedback.
16. • Hick’s Law is
demonstrated
once a
product is
chosen, size,
type, and
brand choices
will need to be
made.
17. Summary of System & Specifications
The product that we created is a 9x7 inches
waterproof, touchscreen, interactive
handheld device that will allow users to
grocery shop from home via teleportation.
The device is portable but may be attached
to a refrigerator, if desired.
Shopping on the device is easily done by
selecting items from stores on the device
and placing them in desired locations of
the kitchen via the device by the drag-and-
drop or select-and-drop feature.
Anyone with at least a 5th grade reading
level can use this device. It is user-friendly
even to those who have physical
disabilities.
This device is necessary because it is a fast,
easy, convenient, environmentally-friendly
way to grocery shop without leaving the
comfort of your home.
