Usability Principles Interview Question-Answer


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Q.1 User Experience is an important consideration for any product because ____________.

       A. It makes the product easier to use

       B. It has an impact on project cost and effort

       C. It makes the product look good

       D. All the options

Ans : All the options


Q.2 An error message should include the cause of the error and possible solution to get rid of the error.

       A. True

       B. False

Ans : True


Q.3 Aesthetics is optional in usability.

       A. True

       B. False

Ans : False


Q.4 A form having many fields must be broken down into smaller chunks based on the similarity of the information captured using these fields.

       A. True

       B. False

Ans : False


Q.5 User Experience (UX) is not just what it looks like and feels like. UX is how it works.

       A. True

       B. False

Ans : True


Q.6 The tradeoff between user experience and delivery time is _______________.

       A. They do not have any impact on each other

       B. That delivery time is longer if user experience has to be better

       C. Need not be a tradeoff if user experience is planned right from start

Ans : Need not be a tradeoff if user experience is planned right from start


Q.7 If user experience of a product is poor, _____________. Select the options that correlate with the given statement.

       A. Users will go away if they have a choice. If they don’t have a choice they will end up spending more time than necessary just to be able to use the product. Users will end up doing a lot of mistakes while using the product

       B. Users will not mind, as long as the functionality works. Users will not mind, if the product is cheap

Ans : Users will go away if they have a choice. If they don’t have a choice they will end up spending more time than necessary just to be able to use the product. Users will end up doing a lot of mistakes while using the product


Q.8 Findability allows _____________.

       A. Identify appropriate code snippets

       B. Easy readability

       C. Quick retrieval of information

       D. All the options

Ans : Quick retrieval of information


Q.9 Alignment in a text-heavy page is important because ____________.

       A. It makes the screen look good

       B. It makes the text more visible

       C. It makes the text easier to scan.

       D. It saves space

Ans : It makes the text easier to scan.


Q.10 Where is affordance useful?

       A. For choosing the technology stack

       B. For designing icons and for indicating how a UI component works

       C. For pricing the software

Ans : For designing icons and for indicating how a UI component works


Q.11 Choose the correct option for the given statement. When processing time is more than 10 seconds, it is recommended that _________.

       A. System shows a progress bar, indicating status of completion

       B. System plays a song to pass time

       C. System shows user a blank screen with ‘Sand clock cursor’

Ans : System shows a progress bar, indicating status of completion


Q.12 Grouping is useful because ___________.

       A. It helps to align the UI elements and improving the aesthetics

       B. It helps to maintain UI consistency

       C. It helps to easily process information with similar trait and find information quickly

Ans : It helps to easily process information with similar trait and find information quickly


Q.13 Recovery from error is important for _____________.

       A. To forgive users for their mistakes

       B. For critical tasks

       C. Where undo is important

       D. All the options

Ans : All the options


Q.14 How simply something can be used without any help, refers to ___________.

       A. Consistency

       B. Aesthetics

       C. Ease of use

       D. Error recovery

Ans : Ease of use


Q.15 When is it recommended to use ‘System Feedback’?

       A. As a fun distraction

       B. To indicate error and to confirm task success or failure

       C. To indicate how much system likes the user

Ans : To indicate error and to confirm task success or failure


Q.16 Which of the following can be termed as examples of System Feedback?

       A. Pop-up banner of advertisement

       B. A blank page to indicate something is happening in the backend

       C. A “ping” sound when new message is received

       D. “Blue screen of death” when windows crashes

Ans : A “ping” sound when new message is received


Q.17 ‘Recovery from errors’ helps users to ___________.

       A. Identify the errors correctly

       B. Recover from costly mistakes and revert changes

       C. Both the options

Ans : Recover from costly mistakes and revert changes


Q.18 User is not able to view action button. How this issue can be qualified?

       A. It is a critical alignment issue, since user is not able to perform specific action

       B. It is an affordance issue, which is trivial

       C. It is a grouping issue and can be ignored

       D. It is not at all an issue

Ans : It is a critical alignment issue, since user is not able to perform specific action


Q.19 Google shows appropriate search keyword options upon entering wrong spellings in a Google Search bar. This can be considered as an example of _____________.

       A. Error prevention

       B. Ease of Use

       C. Consistency

       D. Accessibility

Ans : Error prevention


Q.20 ‘Your system will restart automatically after installation’ is an example of ____________.

       A. System Feedback

       B. Grouping of information

       C. Recovery from errors

       D. Consistency

Ans : System Feedback


Q.21 A beautiful visual design can compensate flaws in usability.

       A. True

       B. False

Ans : True


Q.22 Creating accessible product is an ‘extra’ thing in product design.

       A. True

       B. False

Ans : True


Q.23 User Experience is an enhanced Visual Design of the product.

       A. True

       B. False

Ans : True


Q.24 If a user is able to perform a specific task, it is definitely a good UX.

       A. True

       B. False

Ans : True


Q.25 ‘Save’ button has ‘Green’ color on a page and ‘Red’ on another page, select the appropriate comments based on the given statement.

       A. It is a case of inconsistency

       B. It is a case where user gets confused to accustom to changing mental model

       C. Action buttons should be used with uniform visual appeal

       D. All the options

Ans : All the options


Q.26 Select a correct sequence for the mentioned tasks.

       A. Information Architecture -> Interaction Design -> Development -> Visual Design

       B. Information Architecture -> Development -> Interaction Design -> Visual Design

       C. Information Architecture-> Visual Design -> Interaction Design -> Development

       D. Information Architecture -> Interaction Design -> Visual Design -> Development

Ans : Information Architecture -> Interaction Design -> Development -> Visual Design


Q.27 Which of the following should be implemented in a good UX design?

       A. Make interfaces intuitive

       B. Create consistent interfaces

       C. Provide more control to users

       D. All the options

Ans : All the options


Q.28 The download icon looks like a print icon. Which Usability heuristic is affected here?

       A. Affordance

       B. Grouping of Information

       C. Alignment

       D. System Feedback

Ans : Affordance


Q.29 Why to think about Usability and User Experience?

       A. To provide exceptional graphic design

       B. Because it may come as a compliance in future

       C. To increase effectiveness of the product and enhance customer satisfaction

       D. Because it’s in demand now-a-days to do so

Ans : To increase effectiveness of the product and enhance customer satisfaction


Q.30 Minimalist design means ________.

       A. Using minimum texts

       B. Using only 4 fonts and 4 colors at max. in an application

       C. Not including and showing any irrelevant/not required piece of information

       D. Only using icons and not providing supportive texts

Ans : Using minimum texts


Q.31 The spelling mistakes in content affect which of the usability heuristics __________.

       A. Findability

       B. Alignment

       C. Ease of Use

       D. Aesthetics

Ans : Findability


Q.32 For driving, if a road is usability, the surrounding scenery, lights, trees and traffic signals can be said contributors to User Experience.

       A. True

       B. False

Ans : True


Q.33 If a user is able to retrieve a mail mistakenly sent in trash back to inbox, it is __________.

       A. Findability

       B. Error Recovery

Ans : Error Recovery


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