HW 2: Human Abilities
1. You have been tasked with evaluating a new hands-free input device, the steering
mouse, which the user manipulates by squeezing pressure sensitive pads on the
back of a cars steering wheel. The steering mouse
HW5: Web Analysis Assignment
Comparison of AccessAtlanta.com with other sites
Your tasks will be in the following categories (details below):
For each task, you will visit AccessAtlanta.com and one other web site (listed
HCI in the real world
The most profound technologies are those that
disappear. They weave themselves into the fabric
of everyday life until they are indistinguishable
- Mark Weiser, The Comp
Design for the Flat World
Think Globally, Act Locally
Jim Foley, adapted from multiple sources
Comments directed to email@example.com are encouraged. Permission is granted to use
with acknowledgement for non-profit purposes. Last revision: Jan 2012.
AT Research at Georgia Tech
Disability in the USA
53 million (18%) Americans have one or more
physical or cognitive disabilities (recent census
data) about 1 in 5 people
n Graying of America number growing
significantly as ba
What don t guidelines, styleguides, design
UI Design - Georgia Tech
What is not Addressed?
Beyond features and ease of use.
Useful + Usable Desirable
Making a UI fun, attractive, en
This material has been developed by Georgia Tech HCI faculty, and continues
to evolve. Contributors include Gregory Abowd, Al Badre, Jim Foley, Elizabeth
Mynatt, Jeff Pierce, Colin Potts, Chris Shaw, John Stasko, a
MMJ Fall 2013
The History of
Quest for Knowledge
Primitive times Cant get answer
n Ancient (Roman) times Ask a polymath /
n Books Go to the
Soulver builds a
calculator into a notepad,
so you do calculations
without needing another
place to record the
answers. This means you
can see all your work all
the time, change any part
of it, and your calculation
is displayed instantly as
Registration, registration, registration
How to integrate all the different aspects of context?
What about the loss of privacy?
Leverage existing services to create new ones!
Laptop microphones -> blow at the screen
HVAC -> Air pressure from movemen
. Information processing
a. Short term
b. Medium term
c. Long term
a. Selective attention
c. Problem solving
C. Motor system
Short-term memory Con
Weiser: How do technologies disappear into the background? The vanishing of electric motors
may serve as an instructive example: At the turn of the century, a typical workshop or factory
contained a single engine that drove dozens or hundreds of different
Homework: Observing everyday interactions
Due date: Oct 22 at 11:55 pm, submit to t-square Assignments
Note: This is a two-person team assignment. Find a person to do
this with, and submit one report with both your names on it.
Collaboration is expected b
HW 2: Human Abilities
The following questions are based on the corresponding lecture or web lecture(s).
Please answer all questions completely for full credit. We will discuss the answers and
any of your questions after you turn in the homework at the sta
Part 1 of 2
Key people, events, ideas and
This material has been developed by Georgia Tech HCI faculty, and continues to evolve.
Contributors include Gregory Abowd, Jim Foley, Diane Gromala, Elizabeth Mynatt, Jeff
CS/Psych 3750 SAMPLE Mid-term exam
100 points total.
1. (5 points) What invention enabled the HCI paradigm shift of interactive graphics to
occur? Who invented it?
2. (10 points) What is the process of selective attention in human percepti
User Interface Design
Closed book / notes
Short answer possibly multiple choice
Requirements analysis problem
Design evaluation problem
What to Study?
Follow syllabus, readings, and l
Procedural Learning: How
Declarative Learning: Facts
Understanding concepts & rules
Acquiring motor skills
By structure & organization
If presented in incremental units
Use users prev
Digital computer grounded in ideas from 1700s & 1800s
Technology became available in the 1940s and 1950s
The user concept is relatively new
Computer had one task,
No interaction between
operator and computer
Punch cards, tapes for
Visual and auditory impressions
visuospatial sketchpad, phonological loop
Very brief, but veridical representation of what was perceived
Rehearsal prevents decay
Details decay quickly (~.5 sec)
Another task prevents rehearsal
Use chunks: not *really* 72
In part 3 of the project, your group will implement a detailed interactive prototype of your interface.
Use whatever software tools that you know and that are good for prototyping: DHTML, Flash, .N
In the final part of the project, your group will conduct an evaluation of the prototype developed in part 3
according to the protocols developed there, or approved modifications thereof. You should utilize the
Record-taking is hard
Multiple streams of information need to be captured
Machines are better at some of these things than we are
Meeting capture (scribe at Xerox PARC), Mark Weiser
Stream integration - what level?
Very finest level of a
Every designer wants to build a high-quality interactive system that is admired by
colleagues, celebrated by users, circulated widely, and imitated frequently.
(Shneiderman, 1992, p.7) Functionality
Speed & efficiency
Reliability, security, data integrit
Why do we care? (better design!)
Want to improve user performance
User capabilities dont
have Moores Law
Knowing the user informs the design
Information processing systems
Just noticeable difference (JND): how much of a change
User Interface Design
Melody Moore Jackson, Ph.D.
Course info and schedule
What is HCI, and why do we care?
Prof: Dr. Melody Moore
MS and PhD Georgia Tech