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14 Cards in this Set

  • Front
  • Back

Who invented the computer mouse?

Douglas Engelbart

Who developed sketchpad and what is the significance?

- Ivan Sutherland


- First rendering of direct manipulation

Who published The Psychology of Human-Computer Interaction and what is the significance

Card, Moran, and Newell




It proposes the human brain as the information model

What was "As We May Think" about and what is the significance?

Author: Vannevar Bush (1945)




Overview- talks about all the kinds of ways we use information what he thinks is going to happen (prophetic)


- He theorizes about a “maze of information,” or the challenge of navigating the information we will accumulate (what we now call "info-glut"


- He proposes a Mimex – an index card system for information storage and retrieval.


Two important features of this device:
1) use of this device would be constant


2) and it would have constant access to data.




Significance: This is the beginning of what people call the idea that technology is going to have a human component, and humans are going to be key players in deciding how to stratify and use information. This is the first article that brought together humans, information, and technology—they will always exist as a trio.


6 features of direct manipulation


VIRESR

1) Visibility of objects


2) Incremental action and rapid feedback


3) Reversibility


4) Exploration
5) Syntactic correctness of all actions


6) Replacing language with action

HCI's first user study

Was a comparative evaluation of the mouse, the joystick, grafacon, a light pen, and a knee controlled lever

first HCI study set up



Participants: 13


Independent variables: Input method (the mouse, light pen, grafacon, joystick (position control), joystick (rate-control), knee controlled lever


Dependent variables: task completion time, error rate
Within subjects, counter balanced


Task: spacevar, acquire device, position cursor in target, select target


Results:

Significance of Xerox desktop (1981)?

Xerox (1981) – Realized that in order for them to bring computing to secretarial work, it needs to be usable. The interface was designed to replicate the physical environment clerks were familiar with already (files, folders, desktop, trash, typewriters). The desktop comes from studying women in the workplace.


-- Does a bit of "placemaking" with the iconogrpahy

What shift happened in HCI in the 1970's and 1980's?

- From large computers in secured rooms, operated only by engineers --> to small computers, operated by people without a technical background, in homesand workplaces


- So ease of use and user acceptance became all the more important!

4 Problems IA addresses


WISM

1) Information Overload (info-glut)


2) Ways to access information


3) Software complexity


4) Multiple channels

What is system thinking?

It is a systematic, comprehensive, holistic approach to structuring information in a way that makes it easy to find and understand




- Regardless of the context, channel, or medium, the user employs access to information




- Inclusive and accessible

What kind of concerns fall under the category of users? (6) ATINE

1) Audience
2) tasks
3) information seeking-behaviour
4) needs
5) experience

What kind of concerns fall under the category of content? (7)




DOVEMCF

1) Document/data types
2) ownership - who owns the site's content?
3) volume - how much content does the site contain/need to contain?
4) existing structure - should it be entirely scrapped or are their useful parts


5) Metadata -
6) content objects


7) Format - in what format is the content? would have different format be better if possible?

What kind of concerns fall under the category of context? (5)

1) Business goals


2) funding, politics
3) culture
4) technology


5) resources, and constraints