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QuestionAnswer
You should measure errors when an error will result in significant loss of efficiency. True
To measure efficiency, we need to identify the actions to be measured. True
Issues should be specific and actionable. True
Any issue that directly leads to task failure. High severity
To avoid bias, the person collecting self-report can also be the test monitor. False
Making a survey anonymous may avoid bias in self-reported metrics. True
Collecting data after each task may help us determine problematic tasks and parts of the product. Post-task
Verbal behaviors are harder to observe that non-verbal. False
Shouting strongly positive comment is an example of verbal behavior. True
In collecting task time, we need to log the start and end time of performing a task. True
__________________ can be a ratio of task completion rate to mean time on task Efficiency
Incorrect action on the part of the user. Errors
It pertains to how detailed an issue is. Granularity
Issues can also be analyzed at a task level. True
Ease of use gives participant a reference for good and bad design before performing a task. False
This type of post-task ratings assesses the participants whether how easy or difficult a task is in comparison to how they thought it is. Expectation measure
Validating collected behavioral metrics can be changeling for biometrics. True
Some usability professionals believe errors and usability issues are essentially the same thing. True
It is the most widely used performance metric. Task success
Binary success is appropriate to use when the success of the product depends on users completing a task or a set of tasks. True
It is good for identifying very specific problems but not good for big picture thinking. Low granularity
An issue can be anything that prevents task completion. True
The oral method is the easiest method for quick ratings. True
Post-task ratings are the most common way to collect self-reported data. True
Social desirability bias is a tendency to provide more positive feedback in person or on the phone. True
We can analyze behaviors base on the participant comments. True
Facial expression is an example of verbal behavior. False
Binary success is the simplest and most common way of measuring task success. True
Learnability measurement is important in a continuous learning setup. True
Task failure and error might look the same. True
This involves having participants verbalize their thoughts as they are working through the tasks. Usability findings
A small impact on user experience with few users experiencing the problem will give us low severity ratings. True
Checking whether certain details stood out is an example of awareness and usefulness. True
It is one of the guidelines in rating scales to use both positive and negative statements. True
We need to define phenomenon before we can identify them. False
Time-on-task is particularly important for products where tasks are performed repeatedly by the user. True
Learnability is a test of the performance, qualities, or suitability of someone or something. False
The most common way to analyze and present binary success rates is by individual task. True
It gives the participant a reference to the good and bad design before performing a task. Ease of use
The semantic differential technique involves presenting pairs of bipolar, or opposite, adjectives at either end of a series of scales. True
We do not need to identify the phenomenon like being happy because it is already obvious and common to us. False
Validation comes after designing for the sampling technique. True
The participant receives some value from partially completing a task. Levels of success
We cannot user self-report to assess specific attributes on the product. False
To avoid bias, the person collecting self-report should be different from the test monitor. True
These facial expressions are universal, meaning they occur on everyone around the world. True
Another common way of looking at binary success is by user or type of user. True
In levels of success, the participant is either will complete a task successfully or not. False
High severity on user experience contributes but does not directly prevent failure. False
Not everyone believes in severity ratings. True
It is the most common type of post-task ratings. Ease of use
Assessing a product by asking the participant on what you like most do is an example of ____________. Open-ended
Checking whether certain details stood out is an example of awareness and comprehension. True
Microexpressions are facial expressions. True
Performance metrics are used to determine the magnitude of a specific usability issue. True
One of the issues in considering time data is when do you need to report all tasks or just the successful ones. True
Sampling allows you to choose the number of your participant. True
This involves having participants verbalize their thoughts as they are working through the tasks. In-personal studies
One way to collect self-reported metrics is to use a rating scale. True
We may user self-report to assess specific attributes on the product. True
Signals must be interpreted when you are using a device to capture behavior. True
It measures how effectively users are able to complete a given set of tasks. Time-on-task
The level of success considers how close the participant is in completing their task. True
It results in annoyance or frustration but does not lead to task failure. Low severity
Another way to analyze usability issue is to get the number of issues per participant should decrease per design iteration. True
To analyze self-reported data, we can assign numeric value and compute for its average. True
Body language can also show the behavior of a participant towards the product. True
Usually, we use a wearable devices to capture pressure. False
Created by: PipoyKuraku
 

 



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