Activity theory seeks to analyze development within practical social activities. Activities organize our lives. In activities, humans develop their skills, personalities, and consciousness. Through activities, we also transform our social conditions, resolve contradictions, generate new cultural artifacts, and create new forms of life and the self. The legitimacy of activity theory as a unified...

this article examines women's discursive space of physical activity in order to answer an important question: why most women have problems with regular physical activity and cannot permanently benefit from a long-term regular exercise program. the analysis was performed with concepts discussed in the discourse theory of laclau and mouffe(1995). there are two main discourses in the women&ap...

fractions obtained from partitioning of aerial methanolic extract of euphorbia aellenii with chloroform (e2), ethyl acetate (e3), n-butanol (e4) and water (e5) were investigated in vitro for their phytotoxicity, insecticidal, anti-leishmanial, cytotoxicity, antibacterial and antifungal activities. sample e2 appeared to have significant phytotoxic activity. in the insecticidal screening study on...

T o achieve a professional level of competence, an occupational therapist must be able to translate a body of know ledge into a plan of action tha t faci] i ta tes change in a predicted direction. Clinical practice is grounded on a theoretical base. The aim of this presentation is to increase understanding of theory and the ways it can be linked to practice. To accomplish this task, theory is i...

This paper investigates a method for modelling computersupported cooperative work, to provide a common language for users and developers collaborating in design. The research is grounded in an empirical study of the inhouse development of groupware and the work practice of system developers. Through an appropriation of Christopher Alexander’s architectural pattern language, it is proposed that ...

In a typical workplace in the United States, two knowledge -producing activity systems are in motion. Each produces knowledge about how to do the work of that workplace, but they are differently motivated: one toward productivity, and the other toward earning a living. The conflict between these two systems is addressed through the process of negotiation. A.N. Leont’ev’s insight on the power of...

The primary goal of the study is to analyze learner behaviors during collaborative group work in a digital learning community. A qualitative data analysis program, NVivo 2, was used to code the vast amount of online transcripts and written interviews based on the grounded theory. Resulting codes were aligned in the four subsystems of activity theory and the activation of subsystems by group wor...

Purpose: Wiki technologies, which are popular in social settings, are beginning to contribute to more flexible and participatory approaches to the exploitation of knowledge in corporate settings. Through the lens of activity theory, this paper aims to investigate contentious challenges to organizational activities that may be associated with the introduction of corporate wikis, in particular th...