Modeling ideational creativity in groups: Connecting cognitive, neural, and computational approaches

Small Group Research

Volumn 41, Issue 6, 2010, Pages 688-724

  Paulus, Paul B ^a   Levine, Daniel S ^a   Brown, Vincent ^b   Minai, Ali A ^c   Doboli, Simona ^b  

^a UNIVERSITY OF TEXAS AT ARLINGTON   (United States)

^b HOFSTRA UNIVERSITY   (United States)

^c UNIVERSITY OF CINCINNATI   (United States)

Author keywords

Cognitive neuroscience; Cognitive processes; Computational modeling; Group creativity

Indexed keywords

EID: 78349268026     PISSN: 10464964     EISSN: 15528278     Source Type: Journal    
DOI: 10.1177/1046496410369561     Document Type: Article

References (134)

1. Abdullaev, Y.G., Bechtereva, N.P., & Melnichuk, K.P. (1998). Neuronal activity of human caudate nucleus and prefrontal cortex in cognitive tasks. Behavioural Brain Research, 97, 159-177.
2. Amabile, T.M. (1996). Creativity in context. Boulder, CO: Westview Press.
3. Anderson, J.R., & Lebiere, C. (1998). The atomic components of thought. Mahwah, NJ: Lawrence Erlbaum.
4. Apicella, P. (2007). Leading tonically active neurons of the striatum from reward detection to context recognition. Trends in Neurosciences, 30, 299-306.
5. Argote, L., & Ingram, P. (2000). Knowledge transfer: A basis for competitive advantage in firms. Organizational Behavior and Human Decision Processes, 82, 150-169.
6. Ashby, F.G., Isen, A.M., & Turken, A.U. (1999). A neuropsychological theory of positive affect and its influence on cognition. Psychological Review, 106, 529-550.
7. Aston-Jones, G., & Cohen, J.D. (2005). An integrative theory of locus coeruleusnorepinephrine function: Adaptive gain and optimal performance. Annual Review of Neuroscience, 28, 403-450.
8. Baars, B.J., & Franklin, S. (2003). How conscious experience and working memory interact. Trends in Cognitive Science, 6, 47-52.
9. Baas, M., De Dreu, C.K.W., & Nijstad, B.A. (2008). A meta-analysis of 25 years of research on mood and creativity: Hedonic tone, activation, or regulatory focus? Psychological Bulletin, 134, 739-756.
10. Barsalou, L.W. (1999). Perceptual symbol systems. Behavioral and Brain Sciences, 22, 577-660.
11. Baruah, J., & Paulus, P.B. (2008). Effects of training on idea generation in groups. Small Group Research, 39, 523-541.
12. Behrens, T.E.J., Hunt, L.T., & Rushworth, M. F. S. (2009). The computation of social behavior. Science, 324, 1160-1164.
13. Blumenfeld, R.S., & Ranganath, C. (2006). Dorsolateral prefrontal cortex promotes long-term memory formation through its role in working memory organization. Journal of Neuroscience, 26, 916-925.
14. Botvinick, M.M., Cohen, J.D., & Carter, C.S. (2004). Conflict monitoring and anterior cingulate cortex: An update. Trends in Cognitive Sciences, 8, 539-546.
15. Bowden, E.M., & Beeman, M.J. (1998). Getting the right idea: Semantic activation in the right hemisphere might help solve insight problems. Psychological Science, 9, 435-440.
16. Bowden, E.M., Jung-Beeman, M., Fleck, J., & Kounios, J. (2005). New approaches to demystifying insight. Trends in Cognitive Sciences, 9, 322-328.
17. Braver, T.S., Barch, D.M., Kelley, W.M., Buckner, R.L., Cohen, N.J., Meizin, F.M., & Petersen, S.E. (2001). Direct comparison of prefrontal cortex regions engaged by working and long-term memory tasks. NeuroImage, 14, 48-59.
18. Bressler, S.L., & Kelso, J.A.S. (2001). Cortical coordination dynamics and cognition. Trends in Cognitive Sciences, 5, 26-36.
19. Brown, J.W., & Braver, T.S. (2005). Learned predictions of error likelihood in the anterior cingulate cortex. Science, 307, 1118-1121.
20. Brown, J.W., Bullock, D., & Grossberg, S. (2004). How laminar frontal cortex and basal ganglia circuits interact to control planned and reactive saccades. Neural Networks, 17, 471-510.
21. Brown, V.R., & Paulus, P.B. (1996). A simple dynamic model of social factors in group brainstorming. Small Group Research, 27, 91-114.
22. Brown, V.R., & Paulus, P.B. (2002). Making group brainstorming more effective: Recommendations from an associative memory perspective. Current Directions in Psychological Science, 11, 208-212.
23. Brown, V.R., Tumeo, M., Larey, T.S., & Paulus, P.B. (1998). Modeling cognitive interactions during group brainstorming. Small Group Research, 29, 495-526.
24. Buckner, R.L., Kelley, W.M., & Petersen, S.E. (1999). Frontal cortex contributes to human memory formation. Nature Neuroscience, 2, 311-314.
25. Buckner, R.L., & Koutsaal, W. (1998). Functional neuroimaging studies of encoding, priming and explicit memory retrieval. Proceedings of the National Academy of Sciences U S A, 95, 891-898.
26. Burgess, P.W., Scott, S.K., & Frith, C.D. (2003). The role of the rostral frontal cortex (area 10) in prospective memory: A lateral versus medial dissociation. Neuropsychologia, 41, 906-918.
27. Busemeyer, J.R., & Townsend, J.T. (1993). Decision field theory: A dynamic-cognitive approach to decision making in an uncertain environment. Psychological Review, 100, 432-459.
28. Camacho, L.M., & Paulus, P.B. (1995). The role of social anxiousness in group brainstorming. Journal of Personality and Social Psychology, 68, 1071-1080.
29. Carpenter, G.A., & Grossberg, S. (1987). A massively parallel architecture for a self-organizing neural pattern recognition machine. Computer Vision, Graphics, and Image Processing, 37, 54-115.
30. Cisek, P. (2007). Cortical mechanisms of action selection: The affordance competition hypothesis. Philosophical Transactions of the Royal Society of London B, 362, 1585-1599.
31. Cohen, M.A., & Grossberg, S. (1983). Absolute stability of global pattern formation and memory storage by competitive neural networks. IEEE Transactions on Systems, Man, and Cybernetics, 13, 815-826.
32. Cohen, N.J., & Eichenbaum, H. (1993). Memory, amnesia, and the hippocampal system. Cambridge: MIT Press.
33. Cools, R. (2008). Role of dopamine in the motivational and cognitive control of behavior. The Neuroscientist, 14, 381-395.
34. Coskun, H. (2000). The effects of outgroup comparison, social context, intrinsic motivation, and collective identity in brainstorming groups (Unpublished doctoral dissertation). University of Texas at Arlington.
35. Coskun, H., Paulus, P.B., Brown, V., & Sherwood, J.J. (2000). Cognitive stimulation and problem presentation in idea generation groups. Group Dynamics: Theory, Research, and Practice, 4, 307-329.
36. Coskun, H., & Yilmaz, O. (2009). A new dynamical model of brainstorming: Linear, nonlinear, continuous (simultaneous) and impulsive (sequential) cases. Journal of Mathematical Psychology, 53, 253-264.
37. Cronin, M.A., & Weingart, L.R. (2007). Representational gaps, information processing, and conflict in functionally diverse teams. Academy of Management Review, 32, 761-773.
38. Cummings, J.N., & Kiesler, S. (2005). Collaborative research across disciplinary and organizational boundaries. Social Studies of Science, 35, 703-722.
39. De Dreu, C.K.W., Nijstad, B.A., & Van Knippenberg, D. (2008). Motivated information processing in group judgment and decision making. Personality and Social Psychology Review, 12, 22-49.
40. Dennis, A.R., Valacich, J.S., Connolly, T., & Wynne, B.E. (1996). Process structuring in electronic brainstorming. Information Systems Research, 7, 268-277.
41. Dennis, A.R., & Williams, M.L. (2003). Electronic brainstorming: Theory, research, and future directions. In P. B. Paulus & B. A. Nijstad (Eds.), Group creativity: Innovation through collaboration (pp. 160-178). New York, NY: Oxford University Press.
42. DeRosa, D.M., Smith, C.L., & Hantula, D.A. (2007). The medium matters: Mining the long-promised merit of group interaction in creative idea generation tasks in a meta-analysis of the electronic group brainstorming literature. Computers in Human Behavior, 23, 1549-1581.
43. Diehl, M., & Stroebe, W. (1987). Productivity loss in brainstorming groups: Toward the solution of a riddle. Journal of Personality and Social Psychology, 53, 497-509.
44. Dietrich, A. (2004). The cognitive neuroscience of creativity. Psychonomic Bulletin and Review, 11, 1011-1026.
45. Doboli, S., & Brown, V.R. (2005, May). A neural network model of creative idea generation in groups. Paper presented at the 9th International Conference on Cognitive and Neural Systems, Boston, MA.
46. Doboli, S., Brown, V.R., & Minai, A.A. (2009). A conceptual neural model of idea generation. In Proceedings of the International Joint Conference on Neural Networks (pp. 723-729). Atlanta, GA.
47. Doboli, S., Minai, A.A., & Brown, V.R. (2007). Adaptive dynamic modularity in a connectionist model of context-dependent idea generation. In Proceedings of the International Joint Conference on Neural Networks, IJCNN 2007 (pp. 2183-2188).
48. Duch, W. (2007). Intuition, insight, imagination, and creativity. IEEE Computational Intelligence Magazine, August, 40-52.
49. Dugosh, K.L., & Paulus, P.B. (2005). Cognitive and social comparison processes in brainstorming. Journal of Experimental Social Psychology, 41, 313-320.
50. Dugosh, K.L., Paulus, P.B., Roland, E.J., & Yang, H.-C. (2000). Cognitive stimulation in brainstorming. Journal of Personality and Social Psychology, 79, 722-735.
51. Dunbar, K. (1997). How scientists think: On-line creativity and conceptual change in science. In T. B. Ward, S. M. Smith, & J. Vaid (Eds.), Creative thought: An investigation of conceptual structures and processes (pp. 461-493). Washington, DC: American Psychological Association.
52. Ericsson, K.A., & Kintsch, W. (1995). Long-term working memory. Psychological Review, 102, 211-245.
53. Farrell, M.P. (2001). Collaborative circles: Friendship dynamics and creative work. Chicago, IL: University of Chicago Press.
54. Faure, C. (2004). Beyond brainstorming: Effects of different group procedures on selection of ideas and satisfaction with the process. Journal of Creative Behavior, 38, 13-34.
55. Fuster, J. (2003). Cortex and mind: Unifying cognition. New York, NY: Oxford University Press.
56. Garud, R., Nayyar, P. R., & Shapira, Z. B. (Eds.). (1997). Technical innovation: Oversights and foresights. New York, NY: Cambridge University Press.
57. Goldstone, R.L., Roberts, M.E., & Guereckis, T.M. (2008). Emergent processes in group behavior. Current Directions in Psychological Science, 17, 10-15.
58. Graybiel, A.M. (2005). The basal ganglia: Learning new tricks and loving it. Current Opinion in Neurobiology, 15, 638-644.
59. Hazy, T.E., Frank, M.J., & O'Reilly, R.C. (2006). Banishing the homunculus: Making working memory work. Neuroscience, 139, 105-118.
60. Higgins, E.T. (1997). Beyond pleasure and pain. American Psychologist, 52, 1280-1300.
61. Hinsz, V.B., Tindale, R.S., & Vollrath, D.A. (1997). The emerging conceptualization of groups as information processors. Psychological Bulletin, 121, 43-64.
62. Hopfield, J.J. (1982). Neural networks and physical systems with emergent collective computational abilities. Proceedings of the National Academy of Sciences U S A, 79, 2554-2558.
63. Iyer, L.R., Doboli, S., Minai, A.A., Brown, V.R., Levine, D.S., & Paulus, P.B. (2009). Neural dynamics of idea generation and the effects of priming. Neural Networks, 22, 674-686.
64. Iyer, L.R., Minai, A.A., Doboli, S., & Brown, V.R. (2007, October-November). Modularity and self-organized functional architectures in the brain. Paper presented at the International Conference on Complex Systems, Boston, MA.
65. Iyer, L.R., Minai, A.A., Doboli, S., & Brown, V.R. (2008, April). Modeling exploration and exploitation in creative idea generation. Paper presented at the 19th Midwest Artificial Intelligence and Cognitive Science Conference, Cincinnati, OH.
66. Iyer, L.R., Minai, A.A., Doboli, S., Brown, V.R., & Paulus, P.B. (2009). Effects of relevant and irrelevant primes on idea generation. In Proceedings of the International Joint Conference on Neural Networks (pp. 1380-1387). Atlanta, GA.
67. Janis, I. (1982). Groupthink (2nd ed.). Boston, MA: Houghton-Mifflin.
68. Jett, Q.R., & George, J.M. (2003). Work interrupted: A closer look at the role of interruptions in organizational life. Academy of Management Review, 28, 494-507.
69. Jung-Beeman, M., Bowden, E.M., Haberman, J., Frymaire, J.L., Arambel-Liu, S., Greenblatt, R., & Kounios, J. (2004). Neural activity when people solve verbal problems with insight. PLoS Biology, 2, 500-510.
70. Kirkpatrick, S., Gelatt, C.D., Jr., & Vecchi, M.P. (1983) Optimization by simulated annealing. Science, 220, 671-680.
71. Kirsch, P., Eslinger, C., Chen, Q., Mier, D., Lis, S., Siddhanti, S.,. . . Meyer-Lindenberg, A. (2005). Oxytocin modulates neural circuitry for social cognition and fear in humans. Journal of Neuroscience, 25, 11489-11493.
72. Klûver, J., & Stoica, C. (2006). Topology, computational models, and social-cognitive complexity. Complexity, 11, 43-55.
73. Larey, T.S., & Paulus, P.B. (1999). Group preference and convergent tendencies in small groups: A content analysis of group brainstorming performance. Creativity Research Journal, 12, 175-184.
74. Larson, J.R. (2010). In search of synergy in small group performance. New York, NY: Psychology Press.
75. LeDoux, J.E. (1996). The emotional brain: The mysterious underpinnings of emotional life. New York, NY: Simon & Schuster.
76. Leggett, K.L. (1997). The effectiveness of categorical priming in brainstorming (Unpublished master's thesis). University of Texas at Arlington.
77. Levine, D.S. (2005). Angels, devils, and censors in the brain. ComPlexus, 2, 35-59.
78. Levine, D.S., Mills, B.A., & Estrada, S. (2005, July-August). Modeling emotional influences on human decision making under risk. In Proceedings of the IEEE International Joint Conference on Neural Networks (pp. 1657-1662). doi:10.1109/ IJCNN.2005.1556128.
79. Martin, A. (2007). The representation of object concepts in the brain. Annual Review of Psychology, 58, 25-45.
80. Martindale, C. (1999). Biological basis of creativity. In R. Sternberg (Ed.), Handbook of creativity (pp. 137-152). New York, NY: Cambridge University Press.
81. McNab, F., & Klingberg, T. (2008). Prefrontal cortex and basal ganglia control access to working memory. Nature Neuroscience, 11, 103-107.
82. Miller, E.K., & Cohen, J.D. (2001). An integrative theory of prefrontal cortex function. Annual Reviews of Neuroscience, 24, 167-202.
83. Miller, L.A., Caine, D., & Watson, J.D.G. (2003). A role for the thalamus in memory for unique entities. Neurocase, 9, 504-514.
84. Minai, A.A., Iyer, L.R., Padur, D., Doboli, S., & Brown, V.R. (2009) Graded attractors: configuring context-dependent workspaces for ideation. Proceedings of the AAAI Fall Symposium on Biologically Inspired Cognitive Architectures (pp. 91-96). Arlington, VA.
85. Mobley, M.I., Doares, L.M., & Mumford, M.D. (1992). Process analytic models of creative capacities: Evidence for the combination and reorganization process. Creativity Research Journal, 5, 125-155.
86. Moreland, R.L., Hogg, M.A. & Hains, S.C. (1994). Back to the future: Social psychological research on groups. Journal of Experimental Social Psychology, 30, 527-555.
87. Mullen, B., Johnson, C., & Salas, E. (1991). Productivity loss in brainstorming groups: A meta-analytic integration. Basic and Applied Social Psychology, 12, 3-23.
88. Mumford, M.D., Mobley, M.I., Uhlman, C.E., Reiter-Palmon, R., & Doares, L.M. (1991). Process analytic models of creative capacities. Creativity Research Journal, 4, 91-122.
89. Newman, J., & Grace, A.A. (1999). Binding across time: The selective gating of frontal and hippocampal systems modulating working memory and attentional states. Consciousness and Cognition, 8, 196-212.
90. Newman, M.E.J., Watts, D.J., & Strogatz, S.H. (2002). Random graph models of social networks. Proceedings of the National Academy of Sciences U S A, 99, 2566-2572.
91. Nijstad, B.A., & Stroebe, W. (2006). How the group affects the mind: A cognitive model of idea generation in groups. Personality and Social Psychology Review, 10, 186-213.
92. Nijstad, B.A., Stroebe, W., & Diehl, M. (2003). Cognitive stimulation and interference in idea-generating groups. In P. B. Paulus & B. A. Nijstad (Eds.), Group creativity: Innovation through collaboration (pp. 137-159). New York, NY: Oxford University Press.
93. Nijstad, B.A., Stroebe, W., & Lodewijkx, H.F.M. (1999). Persistence in brainstorming groups: How do people know when to stop? Journal of Experimental Social Psychology, 35, 165-185.
94. Nijstad, B.A., Stroebe, W., & Lodewijkx, H.F.M. (2002). Cognitive stimulation and interference in groups: Exposure effects in an idea generation task. Journal of Experimental Social Psychology, 38, 534-544.
95. Nijstad, B.A., Stroebe, W., & Lodewijkx, H.F.M. (2003). Production blocking and idea generation: Does blocking interfere with cognitive processes? Journal of Experimental Social Psychology, 39, 531-548.
96. Nijstad, B.A., van Vianen, A.E.M., Stroebe, W., & Lodewijkx, H.F.M. (2004). Persistence in brainstorming: Exploring stop rules in same-sex groups. Group Processes & Intergroup Relations, 7, 195-206.
97. Osborn, A.F. (1957). Applied imagination (1sted.). New York, NY: Scribner.
98. Patterson, K., Nestor, P.J., & Rogers, T.T. (2007). Where do you know what you know? The representation of semantic knowledge in the human brain. Nature Reviews Neuroscience, 1, 199-207.
99. Paulus, P.B., & Brown, V.R. (2003). Enhancing ideational creativity in groups: Lessons from research on brainstorming. In P. B. Paulus & B. A. Nijstad (Eds.), Group creativity: Innovation through collaboration (pp. 110-136). New York, NY: Oxford University Press.
100. Paulus, P.B., & Brown, V.R. (2007). Toward more creative and innovative group idea generation: A cognitive-social motivational perspective of brainstorming. Social and Personality Compass, 1, 248-265.
101. Paulus, P.B., & Coskun, H. (in press). Group creativity: Understanding collaborative creativity processes. In J. M. Levine (Ed.), Group processes. New York, NY: Psychology Press.
102. Paulus, P.B., & Dzindolet, M.T. (1993). Social influence processes in group brainstorming. Journal of Personality and Social Psychology, 64, 575-586.
103. Paulus, P.B., & Dzindolet, M.T. (2008). Social influence, creativity and innovation. Social Influence, 3, 228-247.
104. Paulus, P.B., Larey, T.S., Putman, V.L., Leggett, K.L., & Roland, E.J. (1996). Social influence processes in computer brainstorming. Basic and Applied Social Psychology, 18, 3-14.
105. Paulus, P.B., Nakui, T., Putman, V.L., & Brown, V.R. (2006). Effects of task instructions and brief breaks on brainstorming. Group Dynamics: Theory, Research, and Practice, 10, 206-219.
106. Paulus, P.B., & Yang, H.C. (2000). Idea generation in groups: A basis for creativity in organizations. Organizational Behavior and Human Decision Processes, 82, 76-87.
107. Prince, S.E., Daselaar, S.M., & Cabeza, R. (2005). Neural correlates of relational memory: successful encoding and retrieval of semantic and perceptual associations. Journal of Neuroscience, 25, 1203-1210.
108. Putman, V.L., & Paulus, P.B. (2009). Brainstorming, brainstorming rules and decision making. Journal of Creative Behavior, 43, 23-39.
109. Raaijmakers, J., & Shiffrin, R. (1981). Search of associative memory. Psychological Review, 85, 59-108.
110. Rietzschel, E.F., De Dreu, C.K.W., & Nijstad, B.A. (2007). Personal need for structure and creative performance: The moderating influence of fear of invalidity. Personality and Social Psychology Bulletin, 33, 855-866.
111. Rietzschel, E.F., Nijstad, B.A. & Stroebe, W. (2006). Productivity is not enough: A comparison of interactive and nominal brainstorming groups on idea generation and selection. Journal of Experimental Social Psychology, 42, 244-251.
112. Rietzschel, E.F., Nijstad, B.A., & Stroebe, W. (2010). The selection of creative ideas after individual idea generation: Choosing between creativity and impact. British Journal of Psychology, 101, 47-68.
113. Roe, R.M., Busemeyer, J.R., & Townsend, J.T. (2001). Multialternative decision field theory: A dynamic connectionist model of decision-making. Psychological Review, 108, 370-392.
114. Roy, M.C., Gauvin, S., & Limayem, M. (1996). Electronic group brainstorming: The role of feedback on productivity. Small Group Research, 27, 215-247.
115. Sawyer, K. (2007). Group genius: The power of creative collaboration. New York, NY: Basic Books.
116. Schilling, M.A. (2005). A small-world network model of cognitive insight. Creativity Research Journal, 17, 131-154.
117. Schultz, W. (2000). Multiple reward signals in the brain. Nature Reviews Neuroscience, 1, 199-207.
118. Schultz, W., Dayan, P., & Montague, P.R. (1997). A neural substrate of prediction and reward. Science, 275, 1593-1599.
119. Smith, S.M. (1995). Getting into and out of mental ruts: A theory of fixation, incubation, and insight. In R. J. Sternberg & J. E. Davidson (Eds.), The nature of insight (pp. 229-250). Cambridge: MIT Press.
120. Smith, S.M. (2003). The constraining effects of initial ideas. In P. B. Paulus & B. A. Nijstad (Eds.), Group creativity: Innovation through collaboration (pp. 15-31). New York, NY: Oxford University Press.
121. Sun, R. (2002). Duality of the mind. Mahwah, NJ: Erlbaum.
122. Sun, R. (2007). Cognitive social simulation incorporating cognitive architectures. IEEE Intelligent Systems, 22, 33-39.
123. Sutton, R.I., & Hargadon, A. (1996). Brainstorming groups in context. Administrative Science Quarterly, 41, 685-718.
124. Tipper, S.P., Howard, L.A., & Houghton, G. (1998). Action-based mechanisms of attention. Philosophical Transactions of the Royal Society of London B, 353, 1385-1393.
125. Tipper, S.P., Lortie, C., & Baylis, G.C. (1992). Selective reaching: evidence for action-centered attention. Journal of Experimental Psychology: Human Perception and Performance, 18, 891-905.
126. Tononi, G., Edelman, G.M., & Sporns, O. (1998). Complexity and coherency: Integrating information in the brain. Trends in Cognitive Sciences, 2, 474-484.
127. Tryon, W.W. (1995). Synthesizing psychological schisms through connectionism. In F. D. Abraham & A. R. Gilgen (Eds.), Chaos theory in psychology (pp. 247-263). Westport, CT: Praeger.
128. UvnÃ{currency sign}s-Moberg, K. (1998). Oxytocin may mediate the benefits of positive social interaction and emotion. Psychoneuroendocrinology,23, 819-835.
129. Ward, T. B., Smith, S. M., & Vaid, J. (Eds.). (1997). Creative thought: An investigation of conceptual structures and processes. Washington, DC: American Psychological Association.
130. Weisberg, R. (1986). Creativity, genius, and other myths. New York, NY: W. H. Freeman.
131. Wittenbaum, G.M., & Bowman, J.M. (2004). A social validation exploration for mutual enhancement. Journal of Experimental Social Psychology, 40, 169-184.
132. Woolley, A.W., Hackman, J.R., Jerde, T.E., Chabris, C.F., Bennett, S.L., & Kosslyn, S.M. (2007). Using brain-based measures to compose teams: How individual capabilities and team collaboration strategies jointly shape performance. Social Neuroscience, 2, 96-105.
133. Zhou, J. (2007). Promoting creativity through feedback. In J. Zhou & C. E. Shalley (Eds.), The handbook of organizational creativity (pp. 119-139). Boca Raton, FL: Taylor & Francis.
134. Zhou, J., & Shalley, C. E. (Eds.). (2007). The handbook of organizational creativity. Boca Raton, FL: Taylor & Francis.