IEEM 552 - Human-IEEM 552 - Human-Computer SystemsComputer Systems

Dr. Vincent Duffy - IEEMDr. Vincent Duffy - IEEM

Week 14 - Last paper ‘visual fatigue’, Week 14 - Last paper ‘visual fatigue’, discussion about subject testing, discussion about subject testing,

take home and final exam, take home and final exam,

May 11, 1999May 11, 1999

http://www-ieem.ust.hk/dfaculty/http://www-ieem.ust.hk/dfaculty/duffy/552duffy/552

email: vduffy@ust.hkemail: vduffy@ust.hk

For tonight

Thank you to all for your cooperation!Thank you to all for your cooperation! Turn in project reportTurn in project report final presentation ‘visual fatigue’ from the final presentation ‘visual fatigue’ from the

Human FactorsHuman Factors journal journal discussion about subject testingdiscussion about subject testing discussion about takehome discussion about takehome discussion about finaldiscussion about final

For tips see Cody and Smith

1. See Chapters 7- for 1 way Anova analysis (to test if 1. See Chapters 7- for 1 way Anova analysis (to test if the ‘level of windows experience’ is related to ‘software the ‘level of windows experience’ is related to ‘software satisfaction’, ‘perceived workload’, ‘perception of satisfaction’, ‘perceived workload’, ‘perception of wasted time’ or ‘no. of comments’.wasted time’ or ‘no. of comments’.

Data and sample sas program provided on Data and sample sas program provided on webpage. webpage.

2. first see Ch2.H for testing if the satisfaction and 2. first see Ch2.H for testing if the satisfaction and workload data is normal (report result)workload data is normal (report result)

3. see Ch.10 A-D. to see which items make a factor (for 3. see Ch.10 A-D. to see which items make a factor (for satisfaction) and report resultsatisfaction) and report result

On webpage:On webpage: two sas files: test.sas, factor.sastwo sas files: test.sas, factor.sas data file: subjmod3.txtdata file: subjmod3.txt

if you decide to work with these, make sure you if you decide to work with these, make sure you modify the ‘path’ of the data file in your sas modify the ‘path’ of the data file in your sas program before running the sas program.program before running the sas program.

Tonights notesTonights notes

Week 16 May 25 Final Exam room 2302 Week 16 May 25 Final Exam room 2302 6:45-9:30 pm6:45-9:30 pm

Final exam discussion Takehome 10 pointsTakehome 10 points

1-2 pages written, title page and appendices if necessary (not 1-2 pages written, title page and appendices if necessary (not required)…see handoutrequired)…see handout

30 points - exam I material30 points - exam I material 60 points - after midterm60 points - after midterm

week 9 approaches to HCIweek 9 approaches to HCI week 10 mental workloadweek 10 mental workload week 11 interpreting resultsweek 11 interpreting results week 12 visual C++/thinking aloudweek 12 visual C++/thinking aloud week 13 working in groupsweek 13 working in groups readings: emphasis on readings after midtermreadings: emphasis on readings after midterm

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White bckgrnd 62.8cd/m2

Characters 5.7 cd/m2

Background/foreground 11:1

In Human Factors paper

White wall 30 cd/m2

Lathe 13 cd/m2

Background/foreground 3:1

Black wall 6.3 cd/m2

Lathe 13 cd/m2

Background/foreground 1:2

3rd conditionBackground/foreground : somewhere in between3:1 and 1:2. It was the 1:2 (ex2, dark) condition modifiedmodified by changing contrast to 67 (from 100),brightness to 78 (from 31)