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CO4754 User-centred System Design and Evaluation

Question

Answered

Questions:

Q1.

Which of the following are an important part of informed consent?
  • Educated consent
  • Right to participate
  • Right to not participate
  • All of the above
Which of the following is NOT a type of survey?
  • Questionnaire
  • Focus Group
  • GOMS
  • Interview
In a survey, which of the following question types produces dichotomous data?
  • Likert scale
  • Multiple choice
  • Yes/No
  • Multiple response
Which of the following is a non-probability sampling method?
  • Snowball sampling
  • Stratified sampling
  • Random Sampling
  • Systematic Sampling
Which of the following is NOT the description one of Jakob Nielsen’s usability severity ratings?
  • Cosmetic problem only
  • Usability catastrophe
  • Usability concern
  • Minor usability problem

Q2. In survey research, what is dichotomous data?

  • Explain what dichotomous data is and give an example.

Q3. Explain the method: Thematic Analysis

  • Give an explanation of the method and how it is performed.

Q4. What is the difference between an investigator and a facilitator?

Q5. A study has been carried out with 30 primary school children at a single school using the Fun Toolkit to evaluate three mobile games. The games were tested using an iPad:

  • Flappy Bird
  • Crossy Road
  • Doodle Jump

The results are as follows:

Smiley-o-meter (pre and post test) Results

Game

Before Use

After Use

Flappy Bird

3.96

4.14

Crossy Road

4.24

3.68

Doodle Jump

2.56

4.24

The question above asked the children how fun they expected the game to be before they played it and then how fun they found it once they had played it. The Smiley-o-meter scale went from 1 (Not Fun) to 5 (Lots of Fun).

AgainAgain Results

Game

Yes

Maybe

No

Flappy Bird

18

0

5

Crossy Road

20

10

0

Doodle Jump

24

4

2

The AgainAgain question asked the children to state whether they would play any of the games again.

Fun Sorter Results

 

Flappy Bird

Crossy Road

Doodle Jump

Most Fun

4

4

22

Easiest to play

17

3

10

The Fun Sorter results show which game the children found most fun and which game they found easiest to play.

Use the data given above to:

  • Provide a written summary of the results of this evaluation using the data from all of the tools (Smiley-o-meter, AgainAgain, Fun Sorter). You can use descriptive statistics where appropriate.
  • Then discuss the following:
    • Any interesting observations you have identified in the data
    • How you could improve the results of this study
    • What are the limitations of these results (think about the study as a whole, not just the results)
    • How could you strengthen the arguments you have presented in your summary

SECTION 2: Answer 2 questions

Q6. Design an evaluation study to find out teenagers’ preference of the Xbox Series X controller or the PlayStation 5 controller.

Think about the method you would use to perform this study and create an information sheet and consent form for participants that will:

  • inform the participant of the purpose of the study
  • how the study will be conducted (location/tasks etc)
  • provide them with the ability to give informed consent to take part

Q7. UCLan has just installed a new learning management system to replace Blackboard.  What would be an appropriate evaluation method to identify any potential usability problems with the new system?

  • Identify an appropriate evaluation method(s)
  • Justify why the method(s) chosen is appropriate
  • Discuss how you would recruit and select your participants/evaluators
  • Explain how the study would be performed (this would be similar to the procedure in an academic paper)

Q8. You have been asked to create a questionnaire to evaluate the effectiveness of the NHS COVID Test and Trace App. The client would like to understand:

  • The main technology it is used on
  • Opinions on the effectiveness of the app
  • Opinions on how it could be improved (including any major problems)
  • Gender and age differences in responses

You will need to:

  • Design the questionnaire
  • Justify the questions asked
  • Discuss the possible ways of distributing the survey

CO4754 User-centred System Design and Evaluation

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