Hi,
I need to know and possibly find a reference about When and by Which author the hexagon shape was first introduced to represent a composite (emergent variable) in Structural Equations Modeling.
my thanks
Hey Mahyar,
to the best of my knowledge, the hexagon shape was first used by Grace (2006). The first journal article I am aware of that used the hexagon is Grace & Bollen (2008).
Best regards,
Florian
Reference
Grace, J. B. (2006). Structural Equation Modeling and Natural Systems. Cambridge University Press.
Grace, J. B., & Bollen, K. A. (2008). Representing general theoretical concepts in structural equation models: the role of composite variables. Environmental and Ecological Statistics, 15(2), 191–213. https://doi.org/10.1007/s10651-007-0047-7
"When was the hexagon invented?
Dating back to the Roman times of 36 B.C., philosophers wondered about the honeycomb shape and it was not until many generations later that it was discovered and proven that the honeycomb shape is the most mathematically perfect form, leaving very little waste when the shape is lined together."
https://scgwest.com/2020/07/09/history-behind-the-hexagon-scgwest-logo/#:~:text=Dating%20back%20to%20the%20Roman,the%20shape%20is%20lined%20together.
https://en.wikipedia.org/wiki/Hexagon#:~:text=In%20geometry%2C%20a%20hexagon%20(from,is%20a%20six%2Dsided%20polygon.
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