11. This conceptual model was first described as the French flag model in the 1960s. 12. The need for analytic confidence ratings arise from analysts'imperfect knowledge of a conceptual model . 13. The physicist forms a conceptual model of the universe by the aid of corpuscles. 14. The Wilber-Combs Lattice is a conceptual model of consciousness developed by Wilber and Allan Combs. 15. The chain model is a useful but not completely accurate conceptual model of a siphon. 16. The visual means she employs distinctly reiterate or re-enrich Conceptual models in their physical reality. 17. The table / column structure can change without ( necessarily ) affecting the conceptual model . 18. McGeer still has the conceptual model of the bridge that was displayed at Expo 86. 19. Thereby, they analyse, explore and test their established and underlying their conceptual models and theory. 20. You're probably familiar with the conceptual models of communication.