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Change, planned and unplanned, can be the product of events (change by chance), new language (change from societal interaction), and practices (track-bound change), and can involve many different societal actors. To position planning as an activity within this broader context, we present a model that captures the interplay between these three sources of change, leading to a typology of change-inducing phenomena. Change, consequently, can be managed in an active and effective way rather than being viewed as an environment of fuzzy conditions and unpredictable dynamics. Our model may be helpful to planners, as an analytic tool, usable in educational curricula as well as in the practice of planning.

Bio-experts' portrayals of laypeople are considered problematic. Two discursive action method workshops with 17 participants were organized to discover whether plant experts can engage in reflexive problematization of their own talk about and in front of laypeople and whether plant experts' analyses may offer insights with regard to the hegemony of technical-scientific expertise. Participants discussed the interactional effects of real-life expert talk. Plant experts' discussions indicate that they can problematize how their talk-in-interaction helps reproduce the supremacy of technical-scientific expertise. Results also suggest that plant experts may offer complementary insights to social scientists' analyses of plant experts' talk.

There is a growing awareness of the significance of collective creativity in dealing with the complex problems typical of today's rapidly changing society. Whereas studies on collective creativity provide insight into what happens during creative episodes in terms of a changing meaning of the interaction content, they do not explain what happens in the conversational interaction process. To shed light on this, we introduce and define the concept of interaction flow. Interaction flow was observed during creative episodes in the board meetings of Platform Inspire, an innovation-oriented collaborative governance board in Western Europe. The concept of interaction flow makes collective creative episodes more observable and offers points of attention for facilitating these episodes.

In this study, the authors examine the performative functions of scientists' discursive constructions of the science-society relationship. They use discursive psychology to analyze interviews with Dutch plant scientists and show that interviewees contrast the freedom of people in the private sphere with scientists' responsibilities in the professional sphere to regulate "lay" access to science. To accomplish this, interviewees make claims about the scientific value of lay views only after they have displayed their tolerance of these views. Additionally, many interviewees refer to their own lay status in everyday life. Finally, the relationship between findings and recent science communication approaches is discussed.

This article examines discussions between innovators and patient users about emergent medical technologies in the field of celiac disease. Using discursive psychology and conversation analysis, the authors analyze participants' talk with regard to the social activities performed. They find that the topical agenda, preference structure, and presuppositions incorporated in the innovators' questions restrict patients' scope for saying things in and on their own terms. Not participants' intentions per se but what the questions indirectly communicate profoundly shapes the agenda of these meetings. This may explain why some of the difficulties of innovator-user interaction are persistent and hard to pinpoint.

Divergent theoretical approaches to the construct of framing have resulted in conceptual confusion in conflict research. We disentangle these approaches by analyzing their assumptions about 1) the nature of frames — that is, cognitive representations or interactional co-constructions, and 2) what is getting framed — that is, issues, identities and relationships, or interaction process. Using a meta-paradigmatic perspective, we delineate the ontological, theoretical and methodological assumptions among six approaches to framing to reduce conceptual confusion and identify research opportunities within and across these approaches.