Peer Review and Usability Evaluation of Smart Home Interface

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ITC504 - INTERFACE USEABILITY ASSESSMENT ITEM 3 -
PEER REVIEW AND USABILITY EVALUATION
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Contents
Introduction................................................................................................................................4
Part (A) Review of Expert/Peer.................................................................................................5
(a) The Design Review...........................................................................................................5
(b) List of the Requirement....................................................................................................5
(c) List of Problem with Design Principal.............................................................................7
(d) Design Improvements.......................................................................................................9
(e) Recommendation list for Improvement..........................................................................10
Part (B) Evaluation...................................................................................................................11
Usability Heuristic Evaluation.............................................................................................11
Strategy of Usability............................................................................................................16
Conclusion................................................................................................................................17
References................................................................................................................................18
Appendix..................................................................................................................................20

List of Figures
Figure 1: Air Condition Control System....................................................................................7
Figure 2: Bathroom Screen Display...........................................................................................9
Figure 3: Setting Page Display.................................................................................................10
Figure 4: Breadcrumbs Protocol missing in Bathroom, Bedroom Screen...............................20
Figure 5: Change Password Screen Display............................................................................20
Figure 6: Kitchen Display Screen............................................................................................21
Figure 7: Consistency Format Missing in Facebook, Sign Up Screen....................................21
Figure 8: Google Page Display Screen....................................................................................22

Introduction
In this report justify the basic requirement of the assessment evaluation function. With the
support of the design review application determine the usability evaluation for the design
structure of the interface. By the support of the Heuristic interface principal analysis the
structure of interface designs. On behalf of the requirement of the client utilize the relevant
information content for created the interface design structure. The aim of the evaluation
protocol is increasing the knowledge regarding the Heuristic interface principal. In this report
structure by the support of the interface, application provides suitable guidance for the
application of smart home. This report identifies the basic concept of a tool of Balsamiq to
generate the interface structure. The tool of Basamiq plays a vital role for creating the design
structure of the interface protocol.

Part (A) Review of Expert/Peer
(a) The Design is review by
(b) List of the Requirement
For a smart substructure system
(1) Control panel is able to allow the client to clear identification and choose a smart
structure system to utilize.
Status: Satisfied
Reasoning: The interface design structure is clear early allowed the client for
identification with the smart substructure system to utilize.
Requirement structure: Requirement structure should be satisfied but it incomplete.
In many design control section of the smart structure system should be missing.
(2) Electronic lock control for access home application.
Status: Satisfied
Reasoning: In the interface design structure provide the electronic lock facilities for
access the home application.
Requirement structure: Requirement structure should be satisfied and it should be
completed. With the support of the electronic lock application provide secure access
for home.
(3) Security of home and System of video surveillance
Status: Satisfied
Reasoning: In the interface design structure provide an effective security function
and also provide the path function for video surveillance.
Requirement structure: Requirement structure is satisfied and it should be
completed. With the support of the structure of the security manage the security
function and application of video surveillance is increase the rate of home security.
(4) Lighting in kitchen, family and lounge
Status: Satisfied
Reasoning: In the design of interface provide the light system in the kitchen and
family area.
Requirement structure: Requirement structure is satisfied and it should be
incomplete. In the design structure of the interface not provide any function by the
help of them set the frequency of the lighting system (Bergeler et al., 2015, p. 5712).
(5) Air Condition Control
Status: Satisfied
Reasoning: In the design of interface provide the air conditioning control system in
the interface protocol.
Requirement structure: Requirement structure should be satisfied and it should be
incomplete. In the design structure consistency of the AC control system is missing.

Control panel for smart substructure system
(1) New device add ability
Status: Satisfied
Reasoning: In the design of interface provide the facility to add new devices
according to the requirement.
Requirement structure: Requirement structure is satisfied and it should be
completed. With the support of the facility to add new device connect the different
system according to client requirement.
(2) Add facility for a new device through Wi-Fi home system
Status: Satisfied
Reasoning: In the design of interface provide the facility to add new devices through
Wi-Fi home system according to the requirement.
Requirement structure: Requirement structure is satisfied and it should be
completed. With the support of the Wi-Fi home system connect the different devices.
(3) New device control
Status: Satisfied
Reasoning: In the design of interface provide the facility to control the TV and music
system.
Requirement structure: Requirement structure is satisfied but it should be
incomplete. The consistency of the control system structure is missing.
(4) Air Condition System
Status: Satisfied
Reasoning: In the interface design provide the application of the air-conditioning
system.
Requirement structure: Requirement structure is satisfied but it should be
incomplete. The consistency of the control system structure is missing.
Incomplete Requirement list
(1) Proper Frequency function for Lighting in kitchen, family and lounge
Reasoning: In the design of interface provide the light system in the kitchen and
family area. In the design structure of the interface not provide any function by the
help of them set the frequency of the lighting system. Provided interface structure not
full-fill the Requirement (Brauer et al., 2018, p. 75).
(2) New device control
Reasoning: In the design of interface provide the facility to control the TV and music
system. The consistency of the device control system structure is missing.
(3) Control of Air Condition
Reasoning: In the design of interface provide the air conditioning control system in
the interface protocol. Requirement structure should be satisfied and it should be
incomplete. In the design structure consistency of the AC control system is missing.

Figure 1: Air Condition Control System
(c) List of Problem with Design Principal
(1) Problem/Issue: In the Bathroom page, standard and consistency of the interface design
should be a break in the “control protocol section”.
Design Principle: Standard and Consistency Principle of Heuristic
Reasoning: When the design of the interface follows the rule of consistency on that time
format of the design structure gets the standard level.
(2) Problem/Issue: In the Home page Screen not use the “breadcrumbs function” for defines
the navigation function.
Design Principle: Freedom and User Control Principal of Heuristic
Reasoning: By the support of the function of breadcrumbs provide the support path function
to the interface protocol.
(3) Problem/Issue: In the Change password display “user confirmation” should be missing.
Design Principle: Prevention of Error Principal of Heuristic
Reasoning: It creates a path function by the help of them reduce the working errors and
received the confirmation from the User/Client side.
(4)Problem/Issue: In the Sign-Up display “Back Button” should be missing.
Design Principle: Use Efficiency and Flexibility Principal of Heuristic
Reasoning: Proper information of the interface design is useful for user benefits. Complete
information of the provided design is full fill the client need.
Not Follow the
Consistency Format

(5)Problem/Issue: In the Google Page Screen alignment of the “text boxes” not in a proper
way.
Design Principle: Design of Minimalist and Aesthetic Principal of Heuristic
Reasoning: By the support of the icon information use the single-family function with proper
description. Information repetition should be irrelevant.
(6)Problem/Issue: In the setting page screen provide the “user profile information”.
Design Principle: Documentation and Help Principal of Heuristic
Reasoning: By the support of the Documentation application client is simply determine the
information of the application (Cerny et al., 2015, p. 655).
(7)Problem/Issue: In the Notification Screen not provide the “Notice Clear and Notice
manage” Option is missing.
Design Principle: Recognize rather than a function of Recall Principal of Heuristic
Reasoning: This application is helpful to provide the visibility information for the user
benefits.
(8)Problem/Issue: In the Change password Screen not provide any confirmation regarding
the “Password Change” function.
Design Principle: User Recognize help and Recover Error Principal of Heuristic
Reasoning: When the interface design follows the concept of confirmation on that time
working error should be reduced.
(9)Problem/Issue: In the setting Page screen “Text Input” function is missing.
Design Principle: System between match and Real World
Reasoning: With the support of the effective instruction protocol justify the information of
design application.
(10)Problem/Issue: In the Bedroom Screen for the TV application did not mention the
“On/Off” status of the button.
Design Principle: System Status Visibility
Reasoning: By the support of the proper information of system the client is simply finding
the working situation of the application.

Figure 2: Bathroom Screen Display
(d) Design Improvements
(1) Problem/Issue-Improvement: By the support of the consistency protocol determine the
appropriate action for the structure of the interface.
Design Principle: Standard and Consistency Principle of Heuristic
(2) Problem/Issue-Improvement: By the support of the effective linking and breadcrumbs
application determine the information sequence for the structure of the interface.
Design Principle: Freedom and User Control Principal of Heuristic
(3) Problem/Issue-Improvement: Provide the alert message to get the confirmation from the
client side in interface design
Design Principle: Prevention of Error Principal of Heuristic
(4)Problem/Issue-Improvement: Determine the proper function in the interface design
which is representing the information protocol.
Design Principle: Use Efficiency and Flexibility Principal of Heuristic
(5)Problem/Issue-Improvement: With the use of the text box description received the
information from client-side.
Design Principle: Design of Minimalist and Aesthetic Principal of Heuristic
(6)Problem/Issue -Improvement: By the support of the documentation application protocol
determines the complete terms and condition for the interface design.
Design Principle: Documentation and Help Principal of Heuristic
(7)Problem/Issue -Improvement: By the support of the recall application user, not forced to
appear the load on the client memory.
Not use the
breadcrumbs

Design Principle: Recognize rather than a function of Recall Principal of Heuristic
(8)Problem/Issue -Improvement: Error message provides the recap call for the client for
taking the suitable action.
Design Principle: User Recognize help and Recover Error Principal of Heuristic
(9)Problem/Issue -Improvement: Provide an effective icon which is located the complete
information of the interface design function.
Design Principle: System between match and Real World
(10)Problem/Issue -Improvement: Provide the proper information of the system to handle
the work conditions.
Design Principle: System Status Visibility
Figure 3: Setting Page Display
(e) Recommendation list for Improvement
(1) Follow the concept of design strategy.
(2) According to the task arrange the interface structure.
(3) Understand the key value of the design of interface.
(4) Regularly check Customer demand.
(5) Check the interface linking properly.
(6) Identify the new application of the interface Structure.
(7) Created interface design feels real look.
(8) Alignment and linking function in a proper way.
(9) Implement the new interface design function (Claypoole et al., 2016, p. 19).
Not use text Box
for text

Part (B) Evaluation
The interface design is Evaluate by
Usability Heuristic Evaluation
In the interface design structure by the help of the Heuristic evaluation determine the guide
function for the application. In this section identify the values of the Heuristic function for the
design of the interface. On behalf of the requirement of the client utilize the relevant
information content for created the interface design structure (Wang et al., 2015, p. 1253). By
the support of the different required function ratified the design concept. With the support of
the heuristic, principle determines the working knowledge of the interface design (Cremers et
al., 2016, p. 310).
For creating the design create the design find out the need of business and client. According
to the requirement of the organisation or client provide the conceptual function. Evaluation is
the process by the help of them determines the basic concept of heuristic function. The
principal of heuristic plays a vital role to create a suitable design structure for the interface
application. By the use of the tool of Balsamiq create the structure of interface and provide
the image protocol for the design (De Boer et al., 2017, p. 33).
(1) Standard and Consistency Principle of Heuristic
(a) Issue Selection:
 In the Facebook page consistency of the “Done” button is not in a proper manner.
 In the Leaving room page standard and consistency for the “control protocol” is
missing in the interface design.
 In the Bathroom page, standard and consistency of the interface design should be a
break in the “control protocol section”.
 In the Kitchen page, standard and consistency of the interface design should be break.
 In the Account page, standard and consistency for the “Confirm Button” in interface
design should be break.
 Place: Facebook Screen, Leaving Room Screen, Bathroom Screen, Kitchen Page
Screen and Account page Screen
(b) Why: By the support of the standard icon balance the consistency level of standard for
client benefits. When the design of the interface follows the rule of consistency on that time
format of the design structure gets the standard level.
(c) Issue Type: Issue is Minor
(d) Remediation Possibilities (Solutions/Action): By the support of the consistency
protocol determine the appropriate action for the structure of the interface.