Online knowledge building communities (OKBC) reunite participants engaged in collaborative discourse. OKBCs can be made „smart“ by adding tools that predict how likely an OKBC is to integrate newcomers in existing dialogues and socio-cognitive structures. Starting from Bakhtin’s dialogical approach and polyphony theory, and building on the concept of interanimation of voices, this study explore...

Purpose — Science is subject to a normative structure that includes how the contributions and interactions between scientists are rewarded. Authorship and citations have been the key elements within the reward system of science, whereas acknowledgements, despite being a well-established element in scholarly communication, have not received the same attention. This paper aims to put forward the ...

Aging is reviewed by a variety of disciplines; demographers, sociologists, economists, health scientists, and politicians. However, there are still great disputes over aging because of its economic roles, and health expenditures. Several questions about aging should be answered. Is aging an illness? Are aged people a burden to community? Is it a threat, or an achievement? (1). There are opposi...

researchers have suggested that interactional feedback which is between teacher and learner during their writing is associated with l2 learning because it prompts learners to notice l2 forms. this paper reports a classroom-based study that investigated the role of feedback in socio-cultural theory. in this study, 12 efl learners performed on three writing tasks and were provided with a three-st...

background: to seek pleasure is man’s innate nature. in his search for gratification, man has discovered a world of substances that intoxicated him. those who fell within its trap, their life changed, their families aggrieved and they shrank from company. the addiction remained alone in the end. to many death was a relief. methods: a community based cross-sectional study was conducted in the ca...

although researchers in this decade have proposed several answers concerning the association between socio-economic levels of health, still one question is not well understood: whether in school or domestic environments, low and high socio-economic status may influence asthma and respiratory symptoms on primary school students. the aim of this study was to investigate the extent to which primar...

the main goal of this study is the effectiveness evaluation of socio-demographic variables on increasing marriage age of working female students in university of tehran. using statistical method and questionnaire technique, 387 married female students have been participated in this study by cluster-sampling method. the explanatory variables of female students increase marriage age are: educatio...

background: the south-southern zone of nigeria is one of the zones in the country that has reported consistent high prevalent rates of hiv/aids pandemic in the last decade. in spite of bio-medical reasons adduced for the spread of the pandemic, socio-cultural factors may be major issues in the access to both prevention and treatment services especially for women. hence, this study investigated ...