Applied tests of design skills-part 1

Divergent thinking

Jami J. Shah, Roger E. Millsap, Jay Woodward, S. M. Smith

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

A number of cognitive skills relevant to conceptual design were identified previously. They include divergent thinking (DT), visual thinking (VT), spatial reasoning (SR), qualitative reasoning (QR), and problem formulation (PF). A battery of standardized tests is being developed for these design skills. This paper focuses only on the divergent thinking test. This particular test has been given to over 500 engineering students and a smaller number of practicing engineers. It is designed to evaluate four direct measures (fluency, flexibility, originality, and quality) and four indirect measures (abstractability, afixability, detailability, and decomplexability). The eight questions on the test overlap in some measures and the responses can be used to evaluate several measures independently (e.g., fluency and originality can be evaluated separately from the same idea set). The data on the twentythree measured variables were factor analyzed using both exploratory and confirmatory procedures. A four-factor solution with correlated (oblique) factors was deemed the best available solution after examining solutions with more factors. The indirect measures did not appear to correlate strongly either among themselves or with the other direct measures. The four-factor structure was then taken into a confirmatory factor analytic procedure that adjusted for the missing data. It was found to provide a reasonable fit. Estimated correlations among the four factors (F) ranged from a high of 0.32 for F1 and F2 to a low of 0.06 for F3 and F4. All factor loadings were statistically significant.

Original languageEnglish (US)
Article number021005
JournalJournal of Mechanical Design, Transactions of the ASME
Volume134
Issue number2
DOIs
StatePublished - 2012

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Conceptual design
Students
Engineers

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Computer Graphics and Computer-Aided Design
  • Computer Science Applications

Cite this

Applied tests of design skills-part 1 : Divergent thinking. / Shah, Jami J.; Millsap, Roger E.; Woodward, Jay; Smith, S. M.

In: Journal of Mechanical Design, Transactions of the ASME, Vol. 134, No. 2, 021005, 2012.

Research output: Contribution to journalArticle

Shah, Jami J. ; Millsap, Roger E. ; Woodward, Jay ; Smith, S. M. / Applied tests of design skills-part 1 : Divergent thinking. In: Journal of Mechanical Design, Transactions of the ASME. 2012 ; Vol. 134, No. 2.
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