Concept mapping is a participatory mixed methodology that enables diverse participant groups to develop shared conceptual frameworks that can be used in a variety of policy contexts to identify or encourage complexity, and the adaptive emergent properties associated with it. The method is consistent with an evolving paradigm of complex adaptive systems thinking and helps groups address complexity in several ways: it is inductive, allowing shared meaning to emerge; it is based on a simple set of rules (operations) that generate complex patterns and results; it engages diverse agents throughout the process through a range of participation channels (synchronous or asynchronous web, face-to-face, etc.); the visual products – the concept maps, pattern matches, action plots – provide high-level representations of evolving thinking; the results are generative, encouraging shared meaning and organizational learning while preserving individuality and diversity; the maps themselves provide a framework that enables autonomous agents to align action with broader organizational or systems vision. The concept mapping process involves free listing, unstructured sorting and rating of ideas, and a sequence of statistical analyses (multidimensional scaling, hierarchical cluster analysis) that produce maps and other results that the participants then interpret. An example is provided of a web-based project that mapped the practical challenges that need to be addressed to encourage and support effective systems thinking and modeling in public health work. It is suggested that using concept mapping especially in combination with other types of human simulation provides a valuable addition to our methodological tools for studying complex human systems.
The complexity of concept mapping for policy analysis
Contemporary complexity theory leaves many in the applied endeavors of policy analysis and management bewildered. While the notion of complexity – and especially its emphasis on emergent and dynamically adaptive properties – is inherently appealing to these audiences, there is a genuine confusion about how these attractive ideas might be applied in policy and management practice. The complexity literature is replete with examples of complex systems in nature such as ant colonies and slime molds, and with generalizable complex systems using simulated abstract agents such as termites and turtles. Even apparently more relevant examples, such as simulations of city neighborhood evolution (Krugman, 1996), or of traffic jams (Resnick, 1994), seem insufficient for addressing thorny ill-defined problems of human interactions in ‘soft’ systems – in short, the area where much of the most important policy analysis and management work occurs.
Much of the problem for people interested in these types of systems seems to center around methodology – or the lack of it. While the scientific and philosophical underpinnings for complexity are well established, and while there is a seemingly endless literature of management advice that is purportedly based on principles of complexity thinking (McKelvey, 1999), the policy analyst and manager look in vain for structured methodologies that can be used in practice contexts to describe or encourage complexity and its attendant emergent adaptive properties.
This paper nominates for inclusion in complexity methodology a participatory mixed methods approach known originally and technically as ‘structured conceptualization’ and more widely and colloquially as ‘concept mapping’. We begin with a brief introduction to the methodology of concept mapping and a review of the ways it is currently used in policy analysis and management contexts. We then present an example of a concept mapping project in public health where the focus was on the practice of systems thinking and modeling itself. The example is used both to introduce the method in some detail and illustrate its use in context. Finally, we use the results of this project to illustrate how complexity is related to the concept mapping methodology in at least three major ways: (1) concept mapping is itself a complex adaptive system (CAS); (2) the maps that result are useful for identifying the properties of complex systems in policy contexts; and (3) the maps can be used to manage human systems toward a goal while at the same time leveraging the dynamic, adaptive, evolutionary and emergent potential of complex systems. We conclude by suggesting how the methodology might be applied usefully to understand and encourage complexity in policy analysis and management contexts.
A brief introduction to concept mapping
Concept mapping is a participatory mixed methodology (Greene & Caracelli, 1997) that enables diverse individuals and groups to develop mutually comprehensible conceptual frameworks that can be used in a variety of policy contexts to identify or encourage complexity, and the adaptive emergent properties associated with it. The method is consistent with an evolving paradigm of complex adaptive systems thinking and helps groups address complexity in several ways:
Concept mapping is an integration of qualitative group process and quantitative analysis. There are six major steps in the process (Trochim, 1989b):
These are the six basic steps in the conceptual mapping algorithm. Using these simple rules, and allowing for different channels of participation (e.g., manual versus web-based) and different participant subgroups at each step, enables considerable complexity in possible mapping processes. The next section provides an example of a mapping project that illustrates the method and shows one way it has been implemented.
An example: Mapping the complexity of systems thinking in public health
The example project used this systems method of concept mapping to map the challenges that systems thinking and modeling pose for public health with several groups of participants who have been exploring systems thinking and modeling, a type of ‘mise-en-abîme’ of systems using systems to study systems.
Participants: A total of 359 individuals, who comprise the email distribution lists of two large public health systems groups were invited to participate in the project. One group is the Syndemics Network sponsored by the U.S. Centers for Disease Control and Prevention (Milstein, 2004). The other is the Initiative on the Study and Implementation of Systems (ISIS) sponsored by the National Cancer Institute of the U.S. National Institutes of Health (Best, et al., in press). While both are based in the United States, their membership is international.
There were 133 unique visitors to the brainstorming webpage (since brainstorming is anonymous, it is unknown how many of these unique visitors actually added statements). There were 56 participants who completed the sort task and 54 who completed the ratings.
Procedures: The general procedure for concept mapping (Trochim, 1989b) was summarized above. Participants were notified of the study and directed to the brainstorming web address. They were able to take part either via fax or over the web; almost all participation was web-based. The focus statement that guided the web-based brainstorming was:
“One specific practical challenge that needs to be addressed to encourage and support effective systems thinking and modeling in public health work is…”
Using asynchronous online brainstorming participants were allowed to enter as many statements as they wished and because there is no direct participant interaction there is no criticism or discussion about the statements. Between December, 2004 and February, 2005, the group generated 318 statements, which were synthesized and edited to a final set of 100 statements. Each participant was then invited to participate over the web in the sorting and rating tasks and was asked several simple demographics questions. For the rating, each participant was asked to rate each statement on a 5-point Likert-type response scale for how important the statement is (relative to the other statements) in terms of being a challenge that must be addressed to encourage and support systems thinking and modeling in public health, where 1=relatively unimportant (compared with the rest of the statements); 2=somewhat important; 3=moderately important; 4=very important, and, 5=extremely important.
Data Analysis. For the MDS analysis, the stress value was 0.300. This compares favorably with normative data on meta-analyses (Trochim, 1993) that showed that the average stress value across 33 projects was 0.285 with a range from 0.155 to 0.352. For the cluster analysis, an eight cluster solution was selected as the one that preserved the most detail and yielded substantively interpretable clusters of statements.
Results and discussion: The resulting maps were interpreted by the project facilitators and the directors of the two networks that participated. The statements in each cluster were reviewed and a consensus achieved about the appropriate cluster labels. The labeled cluster map is shown in Figure 1.
Beginning on the lower right of the map, and proceeding clockwise, the cluster Explore Systems Paradigms & Perspectives included statements (N=15) that describe the paradigmatic shifts associated with systems thinking and the influence of such thinking on the perspectives people bring to public health work. For example, one of the fifteen statements in this cluster was: “Recognize the importance of a systems paradigm to public health (e.g., ecological, systemic, holistic, participatory, multi-dimensional, constructivist, adaptive, complex and nonlinear frameworks).” The cluster Utilize Systems Incentives (N=14) emphasized the need to address political and social factors that influence the use of systems thinking, including issues of bureaucracy, people’s fears (e.g., job loss, too difficult, fear of change), factors in academic environments that limit adoption or use of systems approaches, and jurisdictional conflicts among organizations. The Expand Cross-Category Funding cluster had the highest average importance rating and consisted of statements (N=10) primarily related to funding. The term ‘cross-category’ was used in the label because these statements challenge traditional funding categories and explicitly encourage a more integrative systems-based view of financing. For instance, one of the statements in this cluster was: “Increase funding for transdisciplinary and inter-agency collaborative projects with a systems focus.” Foster Systems Planning & Evaluation (N=9) suggested that we integrate systems thinking and modeling into how we approach traditional planning and evaluation tasks. For instance, one statement was: “Integrate organizational planning and evaluation functions around a systems approach.” In the cluster Use Systems Measures and Models we saw statements (N=10) that relate to systems-based measurement and data collection, the use and evaluation of systems methods and models, and the development of systems tools and approaches. One statement, for example, called directly for “Development of methods and tools that encourage systems approaches in research and evaluation.” The cluster Support Dynamic and Diverse Networks contained statements (N=8) that encourage networks, collaborations, teams and partnerships that span across traditional disciplines and boundaries, and value the diversity of perspectives. An example statement was: “Use participatory action approaches to partner with communities to co-define public health problems, challenges, needs, assets, and resources.” Inspire Integrative Learning had the most statements (N=23), reflecting the fact that the topics in this cluster were most frequently brainstormed by participants. It included training and education, dissemination and diffusion of systems thinking and approaches, use of interactive and web-based resources and a broad emphasis on understanding the area of systems thinking and modeling. For instance, one of the statements in this cluster called for “A critical mass of practitioners who are able to approach public health from a nonlinear perspective,” while another called directly for “Training and education in systems research techniques for public health professionals.” Finally, the cluster in the center of the map, Show Potential of Systems Approaches (N=11), had statements related to broader demonstration of the value and impact of systems thinking and modeling. For example, one statement was: “Rigorous research that demonstrates the value of systems thinking, methods, approaches and research.” This cluster can be thought of as a central attractor in the dynamic cycle of the overall map. As the exterior clusters interact in various ways their activity converges on the central cluster where it is synthesized and disseminated, in turn exciting new activity in the exterior clusters and creating a kind of measurable ‘time step’ for each cycle.
Finally, each cluster name was carefully reverse-checked with the cluster statements to ensure that they were as adequately represented by cluster label as possible. In many cases, single words in the cluster name represent whole fields of inquiry such as integrative learning, networks, planning, evaluation, etc., and each term in the cluster name interacts with the others to modify them. Thus, the modifying effect of the term ‘systems’ on the term ‘planning’ is not merely semantic, it reflects a dramatically different paradigm from the traditional planning function. Foster Systems Planning & Evaluation, could not have been named simply ‘Foster Planning & Evaluation’, because the statements in the cluster clearly pointed toward new paradigms of planning and evaluation based on a systems perspective. The traditional sense of planning and evaluation, in which planning precedes action and evaluation follows it, does not fully characterize the statements in the cluster. Instead, the statements suggest that a major challenge to systems thinking in public health is to encourage a more systemic view of planning and evaluation. Foster Systems Planning & Evaluation suggests a form of planning that is continuous and integrated throughout with evaluation, with both encouraging evolution and adaptive learning (i.e., there is constant dynamic feedback between planning, action and evaluation).
Another good example of labeling issues is illustrated by the cluster Utilize System Incentives. The statements reflected the idea that incentives must take a systems view into account (e.g., “Reduce the overemphasis on immediate positive program impacts by taking a longer-term view”; “Address issues of politics and bureaucracy that hinder systems thinking”). Incentives that do not consider the wider systems view or the possible unintended consequences of the incentive as it perturbates through the system are not system incentives because they do not motivate the system toward the desired goal. For example, the same incentive could be placed at different points in the system and range from having either little or no effect to having profound or catalytic effects. In this way, Utilize System Incentives acts like a rule that instructs us to gain a better understanding of the basins of attraction and tipping point bifurcations of the system, and then to utilize these systems-based features as potential attractors of individual behavior, much the way that a changing environment presents new niches to which individual organisms may be attracted. In a similar manner, each of the labels was selected to convey as succinctly and thoroughly as possible the systems thinking implications of the content.
Perhaps most interesting is the notion that we can interpret this map through the lens of complex systems thinking itself. From a dynamical systems perspective, we can view the map as a collection of dynamically interacting ‘cluster agents’ each changing the behavior of the other. From a complex systems (CAS) perspective, clusters are interpreted as simple rules which, if followed, would generate self-organized emergence. We consider each of these systems-based interpretations in turn.
Clusters as dynamic interacting agents
rom the perspective of dynamics, each cluster is like a semi-autonomous agent functioning in a highly integrated system, acting as a dynamically interacting conceptual or thematic ‘agent’ that influences other cluster-agents when coupled. In effect, when one cluster interacts with another cluster, they mutually affect each other. For example, when interacting with Explore Systems Paradigms & Perspectives, Inspire Integrative Learning takes on a slightly different meaning than when it is considered in connection with Use Systems Measurement & Modeling. In the former case, learning would be centered on systems paradigms and perspectives at a conceptual or epistemological level; in the latter, learning would be more formal and adaptive, using systems-based measurement and modeling to inform decision making and action. In another example, Support Dynamic & Diverse Networks interacts with Expand Cross-Category Funding to create diverse and dynamic networks of monetary flows and feedback loops. Show Potential of Systems Approaches, which contains statements relating to research, researchers and ‘best practices’ takes on a different meaning when combined with Support Dynamic & Diverse Networks; suggesting innovative notions about supporting integrative diverse networks of researchers and practitioners. The cluster-as-agent interpretation generates pairings of 56 possible tuple interactions and beyond that in even higher-order triples or n-tuples. The interpretation is dynamic because with just eight simple clusters, a diverse number of possible innovainnovative ideas result. For example, the map might lead us to ask, what would a dynamic network of best practices in systems thinking and modeling look like? Each cluster label includes both an action and an object. The object portions of the cluster names were meant to suggest the sense that the clusters interact like structural entities – like agents. We move next to considering the action portion of each label which was included to suggest that clusters can be perceived as simple rules.
Clusters as simple rules
A second systems-based interpretation of the map is founded on the notion from the theory of complex adaptive systems (CAS) that simple local rules lead to emergent complexity. We deliberately worded each cluster label as a simple action-object rule that could be used by people engaged in public health work to encourage and manage a complex and adaptive system. In other words, each cluster label completes the prompt that was the focus for this project and constitutes a ‘practical challenge’ that needs to be addressed. The especially intriguing notion from a systems point of view is that if one follows the eight rules represented by the cluster names, emerging systems-oriented organizations and networks would result.
Complexity and concept mapping
With the example of the map in mind we turn now to the primary intent of this paper, the assessment of how concept mapping is related to complexity and how it can be applied as a method for research into human complex adaptive systems. We begin by identifying four broad themes that characterize concept mapping and correspond to major concepts in complexity: rules and autonomous agents; information flows and adaptation; feedback and evolution; and simulation. This is certainly not the only way to characterize complexity, nor is it necessarily the best. But it will serve as a device to understand concept mapping and its relationships to complexity.
We make a distinction in this paper between ‘inside’ and ‘outside’ (see Figure 2) concept mapping with respect to complexity and its major characteristics. By ‘inside’ we are referring to the concept mapping method itself (Figure 2, cell 1a-1d). We argue that the internal concept mapping process is itself a cas. The ‘rules’ of the concept mapping algorithm – the focus prompt, brainstorming, statement synthesis, sorting and rating, statistical analysis, cluster identification, cluster naming and interpretation – produce a map that can be thought of as an emergent property of the adaptive participant actors and the methodological rule set.
By ‘outside’ (Figure 2, cells 2a-2d) we mean how a map is used instrumentally as a tool to manage an organization or policy toward some desired end while simultaneously leveraging the capacity of complex human systems to adapt and evolve. In other words, once the map emerges it is used as a discrete object by the people who developed the map, in order to better understand and/or direct organizational action or policy. This inside-outside distinction points to the fact that the concept map process (inside cas) generates a map that is useful for representing ‘simple rules’ that can then be used to enhance the human system (outside cas) and in turn to test the rules that were generated. Previously, we have had no appropriate structured empirical method that can be used to identify the ‘simple rules’ of complex human systems. Concept mapping and its processes and algorithms have the potential to accomplish just that. Thus, while rules and agents, information flows and adaptation, simulation, and feedback and evolution are all characteristics of the concept mapping method (e.g., ‘inside’ – Figure 2, cells 1a-1d) they can also be used to characterize the application of the results of this method (e.g., a map) to stakeholders ‘outside’ of the participant group (Figure 2, cells 2a-2d). In the discussion that follows, we will explore some of the relevant ideas in the study of complex systems and apply them to both inside and outside applications of concept mapping.
Rules and agents
The concept mapping process involves free listing or brainstorming based on a focus prompt, unstructured sorting and rating of ideas, and the generation of maps using a sequence of statistical analyses (multidimensional scaling and hierarchical cluster analysis) that the participants or agents then interpret. From an instrumentalist perspective, concept mapping itself is a complex adaptive system (Figure 2, cell 1a). It is sensitive to the initial conditions of the focus prompt. It engages multiple independent agents who follow a simple set of rules that lead to the emergence of a map. In this regard, concept mapping, both inside and outside, encourages diversity (Holland, 1995, 1998) because it fosters the free flow of disparate ideas into aggregations and because it is participatory, allowing diverse groups of agents to adapt to a shared set of ideas (Figure 2, cells 1b and 2b). In terms of process, the rules are to brainstorm, sort, rate, and label or name the emergent map structures. On the analytic side, the rules are constituted in the manipulations of the sequence of statistical procedures that includes at its center multidimensional scaling and hierarchical cluster analysis. (These statistical procedures also involve simple rules and data that act like agents, although in the case of MDS, for example, there are no adaptive or emergent properties of the data. In other words, the same data will always produce the same results.)
Information flows and adaptation
Much of what occurs in complex systems is based on the flow of information through the system (Cabrera, 2002) and the subsequent adaptations made by agents in response to these changing flows (Holland, 1995). Whether the flow is a physical process that carries information as energy (e.g., quarks and atoms), chemical processes (e.g., pheromones) that carry information between one organism and another, biological material (e.g., DNA) that carries information across generations, technology (e.g., bits and bytes) that carries information from one computer to another, or psycho-social communications that carry information from one person to another, the central idea is that agents and systems adapt to changing information flows. At various points in the concept mapping process, individual agents adapt to the changing flow of ideas. In the brainstorming phase, agents are adapting to the synchronous or asynchronous generation of new statements based on a focus prompt. In the cluster naming phase, individual agents or actors are adapting to suggested labels for emergent clusters. At a larger scale, the system itself adapts to the new information provided by the completed map, a snapshot or internal model of the system’s cognitive state at a given point in time. At the next time step, the system responds to this ‘snapshot’ by adapting to the information it contains.
Hypothetically, one can imagine a ‘string’ of concept maps linking one time step to another in which each snapshot informs the next action in much the same way as the evolving cognition of an individual results in adaptive changes to their behavior. In the longer time horizon of an organization, the system is cognitively evolving and adapting at the system level, rather than merely at the actor or agent level; in other words, as the individuals adapt and follow simple rules to generate an emergent map, the map itself informs the new behaviors of the individuals in the system. So, while the individual behavior results in a map that represents the system’s cognitive state, the system’s cognitive state informs the next evolution of individual behavior, and so on. This process of ‘linked’ concept mapping can be thought of as a dissipative structure (Nicolis & Prigogine, 1989) in which agent interaction and information flow move through a state space that is in constant flux, but maintains its essential structure and function. A map emerges that constitutes a snapshot of this dissipative structure over an extended time scale that feeds back to the agents who generated it, changing their thinking and constituting a comprehensible representation that they can use instrumentally and around which they can interact.
To concretize some of these ideas, consider again the example map in the systems in public health study. The agents (members of the ISIS and Syndemics initiatives) engaged in a simple rule process that led to an emergent map at time step 1 (t1). The t1 map is then fed back into the system of people who generated it. Because the system of individuals, not each individual, generated clusters and ratings for certain statements that were more cohesive or more important than others and because these clusters and ratings are different as a whole from any of the individual ratings and clusterings, the map that emerged is different than any one of the maps that might be generated by a single individual. In t2, when the map is provided for review, the individuals in the system will interact with this new information; they will have a better understanding of the various system components, the relative importance of certain statements over others and the ways in which the system collectively organized the statements into clusters. In other words, the map will act as an internal model (Holland, 1995) for the system as a whole. Based on this new information, the individual actors will adapt their own perceptions and actions within the system. If another concept mapping project occurs in t3, a new map emerges at t4 that will be different than the map generated at t1. We can say that the system’s thinking, represented by the map, has evolved. In particular, one of the ways the map evolved is that the concept mapping process in t0 and the emergence of the map in t1 illustrated some of the attractor basins and flows in the system and that the emergence of the map at t3 and t4 reflected the combined effects of those attractors. In simple terms, having seen the ways in which the system structures self-organize, individuals will benefit from and adapt to these structures by reinforcing them or changing them in some way. An individual in the system will be better able to understand how their thinking and the system’s structure are similar or different and can adapt accordingly.
When the simple rules of concept mapping are implemented, complexity and adaptation are encouraged. The sensitivity to initial conditions (SIC) that is characteristic of chaotic systems exists in the sensitivity of concept mapping research on the initial focus prompt. A great deal of expertise and care must be given to the selection of an adequate focus prompt. Yet, even the same focus prompt can yield dramatically different maps due to the complex adaptive nature of the process itself. Following simple rules of brainstorming, synthesis, sorting, rating, and cluster identification and naming, each map is an emergent property of the dynamics of the system.
Feedback and evolution
Throughout, the concept mapping process generates feedback across participants and a blind variation (brainstorming) and selective retention (statement synthesis, cluster identification, prioritization of ‘attractor’ topics) of ideas (Figure 2, cells 1c and 1d). This ‘two-step’ process (Cabrera, 2002) is evocative of Campbell’s ‘evolutionary epistemology’ or selection theory in general (Campbell, 1991) or Blind Variation Selective Retention (BVSR) theory in particular with clear ties to the biological theory of evolution (Cabrera, 2002). The concept mapping process is evolutionary in two distinct ways. The first is the BVSR that occurs ‘inside’ (Figure 2, cell 1c) the concept mapping research (e.g., between brainstorming (BV) and the selective retention (SR) of synthesis, cluster identification, etc.). An evolutionary process also occurs ‘outside’ (Figure 2, cell 2c) the research project when completed maps, which are themselves generated by the system under study (e.g., the people in the study), are used by the system to inform itself and to take continued action. In the outside application, concept maps act as internal models for system cognition (Figure 2, cell 2b) and individual actors will adapt their behavior to this internal model. In other words, the map itself, is a group feedback mechanism similar to the feedback loop one creates in self reflection. The self reflects on its state and develops a description (an internal model) of that state that is then used to take action and alter the state. In turn, this internal model leads to longer lasting ‘building blocks’ that are then used when encountering future scenarios (Holland, 1995). Concept mapping as a process is a group version of this type of reflective and adaptive feedback loop. The map itself, the emergent property of another closed CAS, is then used as a feedback mechanism for the larger system that created it.
Concept mapping can also be thought of as a type of ‘human simulation’ for complex social systems that is analogous to more traditional computational simulations that are currently used in CAS. Just as in computational simulations, small changes at different points in the concept mapping process can lead to dramatically different emergent results. These traditional computational simulations are at this point largely incapable of adequately modeling systems involving humans and ideas. For example, while computational simulations have been successful in modeling ant colonies, traffic flow patterns, and urban development (Johnson, 2001), they have yet to demonstrate utility in modeling complex social interactions such as managing organizations or how a particular group perceives its predicament. Concept mapping provides a potentially useful method for such areas.
As one form of human simulation, concept mapping can effectively be combined with other forms of simulation such as role playing or scenario gaming to formalize the experience of the actors in the simulation and better understand the complexity in the attendant systems. Studies that combine concept mapping with role play simulations have great potential for enhancing our understanding of complex social and organizational systems constituted of people, their ideas and their actions. The systems thinking in public health study described above provides a good context where such research might be undertaken and how it might proceed. In the public health study, the concept mapping method (inside) was used to generate a candidate list of ‘simple rules’ that can be used to manage systems thinking efforts in complex public health systems. Having developed this ‘inside’ map, it can be used as the basis of a role playing simulation designed to test how the simple rules outlined in the map might play out in a hypothetical real-world context.
For example, a simulation might be constructed around the idea of developing a new multi-organizational public health network for tobacco control. A diverse range of actors (e.g., policy makers, funders, practitioners, researchers, community members) could be identified, with each one given a script of basic stages in the development of the network and specific roles or parts that they can play at each stage. The role play simulation could take place over the course of a multi-day meeting where the group works through the first year in the development of the network in a series of sessions that represent time-steps. Different actors would, according to script, have subgroup meetings as the network evolves, while at other times the whole group might convene. The scripts would be relatively loose, describing the role the actor is to play and specific ‘rules’ they should keep in mind as they play it (with the rules derived from the map). Thus, while the whole simulation would be structured, the actors would be free within the constraints of their roles to make things up as they go along. Based on incoming (and imperfect) information, actors would make local decisions that would in turn be transmitted to other groups involved in the simulation, and the group as a whole. The facilitators could adapt the nature of each round of instructions of the simulation depending on the results of the previous time-step. By evaluating how the role play proceeds, it would be possible to assess how well the rules influence the emerging system. It would also be possible to study the implications of different rules in a more controlled fashion. In the simplest sense, one could conduct two independent simulations, one just allowing people to follow roles and adapt as they see fit, the other instructing various actors to use simple rules identified through the mapping. A comparison of what emerges would illustrate the impact of the rules. In similar fashion, comparative simulations would enable contrasting of different rules and combinations of rules to explore their implications and potential real-world implications. Just as algorithmic computational simulations are currently important in complexity science, the coupling of concept mapping to identify rules for a human role play simulation could potentially provide an analogous simulation laboratory for exploring complexity in social systems.
This paper illustrates the potential utility of concept mapping as a cas-method for research on human complex systems. While there are many new cas-methods for studying physical, chemical, and biological systems and fewer to study simpler social systems (such as small world networks, traffic patterns, and urban design), there are surprisingly few methods that are useful in studying the most complex human systems comprised of people and their ideas. Without such methods, it is difficult to gain any purchase on the complex interactions that make up human organizations and their social environments. Concept mapping, as a cas-method, allows the researcher to assemble a diverse group of participants with a broad array of ideas on a topic and to generate an emergent map that may then serve as an internal model for the system itself. Combined with other forms of human simulation, this map can then be used to test certain rule structures with the hopes of eventually identifying a ‘human algorithm’ for directed, purposive organizational action. In this sense, the concept mapping method occupies a unique position relative to its methodological peer group and relative to complexity.
One important concern that remains to be addressed is whether use of methods like concept mapping may lead to the negative consequences associated with the idea of ‘groupthink’ (Janis, 1972, 1982). Groupthink occurs when groups resist divergent thinking and, because of their desire for consensus, do not consider a broad range of alternatives in decision making. The structured and participatory nature of concept mapping, the independent and anonymous involvement at various steps, and the blind variation that occurs at several points in the process make it difficult for the group to force consensus unless it exists independent of efforts to create it. The influence of systems attractors in the concept mapping process is no different than the influence of these same attractors in everyday activities except that in concept mapping they become transparent to the system and its actors. Where concept mapping is different is that it provides a systemic and formalized research tool for understanding these systems effects and for making this understanding publicly available. The mapping process, in effect, helps to make the system more transparent to the actors within the system. In many cases, this transparency can be effective in pointing out conformity pressures and power disparities such as minority control (Trochim, 1989a). The diversity and participatory nature inherent in the concept mapping method as well as the transparency effects of the emergent map in fact make concept mapping an effective counter-method for groupthink.
Concept mapping essentially turns the traditional modeling and simulation of cas on its head; whereas cas simulations usually involve independent cellular automata that operate under simple rules and lead to adaptivity and emergent phenomena, in the internal case of concept mapping, the emergent property is a set of rules for the system. These rules were derived from a process based on what can be termed the ‘meta rules’ of the concept mapping method. We have a map that is itself emergent from the cas of the mapping process inductively identifying candidates for implicit simple rules in the system that, if consciously and coherently applied, may lead to greater creativity (blind variation), emergence and adaptation (selective retention). In this regard, concept mapping as a method helps us to identify candidates for simple rules of a complex human system. In turn, using the concept map in combination with other human simulations, these candidate rules may be tested and validated, and the results used to revise and adapt the rules.
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