10 - User Research and Evaluation Flashcards

1
Q

Why is it important to test our product with its users?

A
  • Product must appeal to its users
  • Allows you to find problems before selling, minimizing the amount customers lost
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

In what circumstances can a product be evaluated in?

A
  • Natural settings (In the wild)
  • Controlled setting (In the lab)
  • Remotely
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

When should an evaluation be conducted?

A

In general:
- Before starting
- After prototypes
- After every iteration of the design cycle
- After adding new features
Final decisions have to be based on the data collected

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What information is relevant about a user?

A
  • Their goals
  • Their behavior
  • Their reaction to technology
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Who makes up the user population?

A

People with different goals, capabilities, needs and wants
Important: The designer is not the user

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is a sample?

A

A subgroup of your users

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are four sampling methods?

A
  • Convenience sampling
  • Snowball sampling
  • Random sampling
  • Stratified sampling
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is convenience sampling?

A

Selecting a sample based on the people you know/have access to

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is snowball sampling?

A

Selecting a sample based on people you know and the people they know…

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is random sampling?

A

Selecting a random subset of the population

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is stratified sampling?

A

Selecting a sample in proportion to the users (e.g. If 40% of the user population is female, 40% of the sample is female)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are key elements of proper research conduct?

A
  • Consent forms
  • Anonymized data
  • Proper data storage
  • Research ethics
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are three common user research methods?

A
  • Interviews
  • Questionnaire
  • Observations
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Explain the evaluation flow.

A

Define the task > Define performance measures > Develop the experiment > Recruit participants > Do the experiment (with corresponding conditions) > Analyze the data > Summarize the data

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What metrics do you want to observe when doing usability testing?

A
  • Number of users completing a task successfully
  • Time to complete a task
  • Time to complete a task after a specified time away from the product
  • Number and type of errors per task
  • Number of errors per unit of time
  • Number of navigations to online help or manuals
  • Number of users making a particular error
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are the steps in usability testing?

A

Define a goal > Generate a research question > Test - Script > Test > Analyze results > Implement results

17
Q

What is within - subject testing?

A

When the same participant tests all conditions corresponding to a variable

18
Q

What is between - subject testing?

A

When different participants are assigned to different conditions corresponding to variable

19
Q

What are the benefits of within - subject testing?

A
  • Requires fewer participants
  • Increases the chances of discovering the true difference among the different conditions
20
Q

What are the benefits of between - subject testing?

A
  • Shorter sessions
  • Easier to set up and analyze
21
Q

What is the drawback of between - subject testing?

A
  • Lowers the chances of discovering the true difference among the different conditions
22
Q

What are the key steps in experimental design?

A

Welcome participants > Demographics questionnaire > Experiment > Presence questionnaire > Thank participants

23
Q

What is Fitts’ Law?

A

It is a predictive model that predicts user performance.