HCI Midterm

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Wizard of Oz technique presents risk of simulating a _____________ that is too advanced

Technology

Whats the most frequently used human sense in HCI as an input channel?

Vision

Wizard of Oz technique doesnt allow to test several alternatives quickly b/c it takes time. True or False?

False

Parallel prototyping

yields more diverse designs

Visual stimuli

Iconic memory , look at a picture then close your eyes

_____ does matter for personas

Details

Humans are better at distinguishing __________ frequencies accurately

Low

Whats the name of the device that Bush proposed equates with hypertext and the World Wide Web?

Memex

What is the most novel feature of the Xerox Star?

The most novel feature of the Xerox Star was use of the desktop metaphor.

In prototype testing, we want users to _________ while performing the task.

"think aloud"

The participants you will interview should be representative of ______________

target users

Based in Fitts' Law T=a+b log2 (d/s +1), fill in the blanks: The _______ an object and the ________ it is to us, the easier it is to move to. (hint: one word each blank)

Closer, bigger

_________ give better results if the people had some time for training.

Diary studies

Who invented the first mouse and when?

Douglas Engelhart invented the first mouse in 1963

A persona is one real human being. True or False?

False

Diary Studies outperform direct observation on the reliability of the observation. True or False?

False

Diary studies should ask to report different tasks each day. True or False?

False

Human errors are not normal. True or False?

False

In prototype testing, testers should help the users do the task. True or False?

False

In prototype testing, we want to prove that all the design decisions were right. True or False?

False

Wizard of Oz technique requires some kind of __________.

Interface

Should you just start filming for a video prototype without planning?

No

Should you spend a lot of time editing a video prototype?

No

Diary studies outperform direct observation on the amount of data you collect since you don't have to be present. True or False?

True

In prototype testing, we want to discover problems as early as possible.

True

Informal photographs can help us understand the lives of our users. True or False?

True

Paper prototypes allow you to test several different things in your interface at a very low cost (time and money) True or false?

True

Personas keep design coherent. True or False?

True

Storyboards set a common ground and help people involved in the development to be on the same page. True or False?

True

Participant observation is generally conducted in the lab

false

Workarounds and hacks -- like post it notes -- are good clues about ____________

usability bugs

Storyboards should NOT present the __________ of the product.

user interface

Please define what is "mode" in HCI. Please describe one example of switching between "modes".

A Mode is a functioning arrangement or condition. Ex. Office phone light: on = message waiting, off = no message

Providing __________ can help us resolve ambiguity in visual processing

context

What do Prototypes Prototype? A._______________ B._______________ C._______________

A. Role, What might the experience be like? B. Implementation, What might it work like? C. Look & Feel, What might it look and feel like?

_________can be a valuable technique for gaining design insight

Apprenticeship

While creating video prototypes you can use a ____________

Camera phone

Could you name one disadvantage of touchscreen interface? Please suggest a way to improve this disadvantage.

Disadvantage: Imprecise selection, which can vary upon size of finger. Fix: Stylus

Interview questions should ask how they would enhance the product. True or False?

False

Interview questions should be yes/no questions. True or False?

False

Paper Prototypes are able to prototype every single aspect of your application. True or False?

False

Serial prototyping is better than parallel prototyping, since your prototype is more polished. True or False?

False

Serial prototyping tend to yield to results that are better rated than if they were obtained with parallel prototyping. True or False?

False

Storyboards should be drawn in a photorealistic way. True or False?

False

The biggest challenges in HCI is figuring out the needs of the extreme users. True or False?

False

The participants you will interview have to exactly the people who are going to use your product. True or False?

False

The participants you will interview should be picked from your family and friends.

False

Video prototypes can only be used to demonstrate functionalities of video editing applications. True or False?

False

Video prototypes should not be shared outside the design team. True or False?

False

We can expect our users to be like us?

False

Wizard of Oz technique requires a lot of coding in order to implement all the functions. True or False?

False

Wizard of Oz technique should be conducted without rehearsing in order to feel the "human connection"? True or False?

False

The participants you will interview often need some _____________ to accept the interview

Financial incentives

_________ help to build empathy.

Personas

_________________ are more about general goal/purpose than the way it is going to be built

Storyboards

Video prototypes should be generally speaking, not expensive and quick. true or false?

True

Wizard of Oz technique are very useful to mimic some kind of artificial intelligence in a cheap and quick way. True or False?

True

Wizard of Oz technique will allow you to gather a lot of ______________from the user if it is low quality/fidelity

critique feedback

Wizard of Oz technique can help the ___________ understand the logic of the application.

designer

Please Define saturation in color

amount of whiteness in color

Interview questions should ask people to______product to something else instead of evaluating on an___________

compare, 1-10 scale

The most important difference between sketchpad and traditional interface is that users did not "write letters to" the computer anymore. The use of a pointing device for input makes Sketchpad the first _______________ interface.

direct manipulation

Self report generally yields a more accurate of behavior than participant observation

false

Whats the most dominant limb in the motor cortex (excluding the lips)?

hand

Paper prototypes allow you to test the _______________ of your application in a very quick and cheaper manner.

interaction flow

Video prototypes allow people to be __________

on the same page.

Interview questions should be as ________ as possible.

open_ended

Paper prototypes are made with:

paper and thick pen, and can be complemented with other materials such as cardboard, post-its, stickers, etc.

In early stages of the design process, you should rather use __________ than ______________.

parallel prototyping, serial prototyping

While creating video prototypes you should use_______________, as much as possible.

real context of use (people, location)

2. The six degrees of freedom include x, y, z, and _________, ____________, _________.

roll, pitch, yaw


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