home *** CD-ROM | disk | FTP | other *** search
- Path: sparky!uunet!charon.amdahl.com!pacbell.com!ames!olivea!sgigate!sgi!fido!zola!tweezers!portuesi
- From: portuesi@tweezers.esd.sgi.com (Michael Portuesi)
- Newsgroups: comp.human-factors
- Subject: Re: Scientific support for GUIs?
- Message-ID: <sg02t88@zola.esd.sgi.com>
- Date: 17 Nov 92 18:30:18 GMT
- References: <1992Nov17.102543.1@cc.helsinki.fi>
- Sender: news@zola.esd.sgi.com (Net News)
- Organization: Silicon Graphics, Inc. Mountain View, CA
- Lines: 79
-
-
- In article <1992Nov17.102543.1@cc.helsinki.fi>, mlindholm@cc.helsinki.fi writes:
- > Why haven't I ever seen an article, where the graphical (destop
- > metaphor) and command-line user interfaces had been compared?
- > In other words, is there any objective support to Apple's claims,
- > that the Macintosh interface is easier to learn and that people
- > are more productive when using Macintoshes?
- >
- > No personal opinions, please. I want references.
-
- This is one reference, from the latest issue of SIGCHI
- Bulletin (In the "Abstracts Of Interest" section). It
- investigates a few more things than just "GUI vs. command
- line", but nevertheless the abstract contains some
- interesting items:
-
-
- AN UMI Order No. ADGD--90743
- AU MORGAN, KONRAD.
- TI INDIVIDUAL DIFFERENCES IN USER PERFORMANCE ON COMMAND
- LINE AND DIRECT MANIPULATION COMPUTER INTERFACES.
- IN University of Edinburgh (United Kingdom) Ph.D.
- 1989, 527 pages.
- SO DAI V51(07), SecB, pp3457.
- DE Computer Science.
- AB Available from UMI in association with The British
- Library. Requires signed TDF.
-
- This dissertation describes 4 experiements which formed
- part of an investigation into human-machine anomalies,
- attitudes towards technology, and a comparison of two
- computer interfaces (direct manipulation, and command
- line). A computer database system with these two different
- interfaces was developed, along with a series of
- questionnaires. There parapsychological investigation used
- random number generators of various types and complexities,
- the behaviour of which determined the performance of the
- computer system. This methodology was adopted to
- investigate a series of empirical and philosophical
- hypotheses.
-
- The HCI interface data showed that over 3 different subject
- populations (computer naive & keyboard literate, computer
- naive & keyboard illiterate, and finally experienced
- computer users) the direct manipulation interface was
- superior with regard to several measures. It was faster (p
- <0.05), had fewer errors (p < 0.01), and was rated on
- post-session questionnaires as being better (p < 0.01) than
- the comparable command line system. However users did not
- rate the direct manipulation interface as being more
- powerful than the command line system. The technology
- attitudes questionnaire showed significant correlations
- between early parental encouragement of machine
- exploration, and later technological competence.
-
- The parapsychological aspects attempted to develop a secure
- computerised methodology for investigating the possibility
- that humans interact with computer systems using as yet
- unknown methods. These experiments found little evidence
- of any parapsychological effects, but concluded that the
- area need more empirical investigation.
-
- ----------
-
- I'm sure there are plenty more references in the literature
- about the topic of GUIs vs. command-line interfaces -- this
- is just the one that happened across my eyes most recently.
-
- In addition, I believe that Microsoft commissioned their
- own "study" which summarized the "advantages" of GUIs,
- about the same time they introduced Windows 3.0. I would
- question the academic integrity of the research Microsoft
- commissioned, but it would be interesting to see their
- report nevertheless. Perhaps Microsoft might still be
- offering copies of it.
-
-
- --
- Michael Portuesi Silicon Graphics, Inc. portuesi@sgi.com
-