Question : 31) Lauren and Katy each bought a new bike lock : 1226485

Economics

31) Lauren and Katy each bought a new bike lock for $20. Both Lauren and Katy would have paid $25 for the lock. The total consumer surplus for Lauren and Katy taken together equaled

A) $15.

B) $10.

C) $40.

D) $20.

E) $50.

32) The price of a cowboy hat is $100. Willie is willing to pay $130, Waylon is willing to pay $100, and Merle is willing to pay $85. All of the following statements are true EXCEPT:

A) Merle’s consumer surplus is $15.

B) The sum of consumer surplus will be $30.

C) Waylon’s consumer surplus is $0.

D) Only Willie and Waylon will purchase the cowboy hat.

E) Willie’s consumer surplus is $30.

33) Mary is willing to pay $50 for a Christmas tree, John is willing to pay $45 and Jeff is willing to pay $40. The price of a tree is $40. The total consumer surplus for Mary, John and Jeff taken together is

A) $15.

B) $135.

C) $40.

D) $95.

E) $120.

34) Suppose Dan is willing to pay a maximum of $3,000 for a piano, but finds one he can buy for $2,500. Dan’s consumer surplus from this piano is

A) $5,500.

B) $3,000.

C) $2,500.

D) $500.

E) zero because he buys the piano.

35) John has a marginal benefit of $7 for 1 slice of pizza, $5 for a second slice, $3 for a third slice, $1 for a fourth slice, and $0.50 for a fifth slice. The price of pizza is $1.50 per slice. Which of the following statements is correct?

A) John will purchase 3 slices of pizza and have consumer surplus of $10.50.

B) John will purchase 4 slices of pizza and have consumer surplus of $12.00.

C) John will purchase 2 slices of pizza and have consumer surplus of $1.50.

D) John will purchase 3 slices of pizza and have consumer surplus of $4.50.

E) John will purchase 2 slices of pizza and have consumer surplus of $3.00.

36) Which of the following is an example of consumer surplus?

A) Jose buys a hamburger for $2 and tells you he would not have paid a penny more.

B) John believes the price he paid for his computer was too high.

C) Mary buys a paper tablet for $2 and finds the same good at another store for $1.50.

D) Sue would have paid $15 for a new compact disc but paid only $10.

E) Anne finds a mountain bike for which she is willing to pay a maximum of $550 and the price of the bike is $600.

37) If you are willing to pay no more than $4 for a slice of pizza and the price of a slice of pizza is $4, then

A) if you buy it, you would be cheated because you would realize no total benefit from the purchase.

B) you buy it but you get no marginal benefit from the purchase.

C) you will not buy it.

D) you buy it but you get no consumer surplus from the purchase.

E) you might buy it depending on how the slice’s marginal benefit compares to its price.

38) If a seller charges a buyer the exact price the buyer is willing to pay, then the buyer would

A) not buy the good.

B) receive the maximum consumer surplus.

C) receive no benefit from the good.

D) receive no consumer surplus from that unit of the good.

E) suffer a deadweight loss from buying the good.

39) In the figure above, for the 3,000th unit, the maximum price a consumer is willing to pay is

A) $5.

B) $10.

C) $15.

D) $0.

E) $25.

40) In the figure above, at the market price of $15, the consumer surplus equals

A) $10,000.

B) $30,000.

C) $40,000.

D) 2,000 units.

E) $20,000.

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July 1, 2023

Padlet https://padlet.com/ is based on cards and you can add images and maps

LucidSpakr or Miro https://miro.com/ and JamBoard https://jamboard.google.com/?pli=1 allow you to do a sort of notes, images etc into categories

1. Final Test Plan:

What do you want to measure with your testing? (Note – how good is my interface is not a specific enough question!)
What tasks will you ask the user to perform so that you will be able to measure participant’s responses and help answer your questions?
Decide how you want the user to share their feedback. Will they:
think aloud, and/or
fill out a questionnaire, and/or
complete a post-test interviews, and/or

o all of the above.

Prepare an outline that includes:

What is the question you are asking? How can you measure this?
How the user test will be run,
Written instructions that you will read to the users, and
Any other materials (e.g. questionnaires, interview questions) that will be used during the session.

Check out the resources for usability testing

Krug has a range of pdf's & docs for downloading
User Focus provides a plan on a page approach which you will need to use in your Deliverable 3 - document here

According to the International Standards Organisation ISO 9241-11, usability is defined as the:

'extent to which a product can be used by specified users to achieve specified goals with effectiveness,

efficiency and satisfaction in a specified context of use.'

. View the Usability Standard and explore the definitions section.

What are the elements of usability and
How are they defined?

2. Scan the brief article by Bevan (2009) International Standards for Usability Should Be More Widely Used

discover some of the standards that inform software usability
what are the problems and benefits of implementing standards.
a brief summary of Information technology standards are outlined by the US National Institute of Standards and Technology (NIST): Project: Usability Standards

3. Finally, a Common Industry Format has been developed to report usability issues in software:

Online Testing

Tools exist online for testing eg

Usability Hub and Optimizely

What does the SUS do and how could it be useful to your prototype?
What aspect of usability does it focus on?
Would this tool be useful for Deliverable 4? How?
Would you need to adapt the tool to your context of use?
What advice does the academic article provide regarding adapting the tool?

sing the DECIDE framework plan your user study. Write up using the plan on a page template below.

1. As a group, decide what aspect of your prototype would benefit from an alternative design. Create a paper or functional wireframe prototype for this.

2. Check if you covered Behavioural and Attitudinal aspects, and use Quantitative and Qualitative

3. What data is Subjective, what is Objective? What is the importance of each?

3. Carry out a pilot study as a team to test your plan (this should include the alternative screens)

4. As a team adjust your plan (if necessary based on your pilot study experience)

Use tools like the System Usability Scale to measure feedback and write up template

5. All team members to conduct a user study or test. (upload individual studies to the submission discussion board or OneDrive

6. Look at user testing online to collect good data for you analysis

https://app.usabilityhub.com/ or https://www.optimizely.com/anz/

7. Collate the results from all user studies and create a set of findings from your research

8. Analyse Results: Taking your qualitative and quantitative data, analyse to features of your design and what should be improved.

9. Submit to Learnline:

your plan and prototype deadlines
your individual user studies (including video links)
your team analysis, and a list of changes to be implemented

As a team

What did you want to find out about your prototype from users? Make sense of your data.

1. Assemble all the data you individually collected for Deliverable #4. This should include your observation notes, videos, photos and any other information documented during the test.

2. Individually share your findings. As each member discusses what happened, the team leader should designate someone as scribe to keep notes of the findings.

3. Review your findings. What are the common themes emerging from the user testing?

4. As a group, decide:

what did your users think worked (functionality wise) with your prototype
what did your users think didnt work (functionality wise) with your prototype
was your second design more effective than the original ideas you have
what changes need to be made to the prototype

5. Write up your findings. This should include your group's summary and the individual work from each member acknowledged

7. Submit user results to the discussion board on Learnline if you want ideas for analysis

Adding Visuals

Collating results so farOur results so far

The visual aspect of your app should match what you have learnt about the users. Be inclusive of different users and their preferences, consider visual disabilities and stay with the design pattern you have developed
You will need to put sample videos where you have videos, and make sure you have sample text where that would be needed. The users being tested need to understand what you see as the information (visual and written) that will be on each page.
Read some references on the approach to visual design . A visual designer is an extension of graphical design considering user interface aspects.
Focus on the five principles of visual design:
1. Scale
2. Visual hierarchy
3. Balance
4. Contrast
5. Gestalt
6. Read what these refer to.