1.Is there a set of the evaluation instruments available? Therefore, teachers could use these instruments in their classrooms to evaluate students' online performance. Another tricky thing is that there are lots of separate instruments in three papers to evaluate different perspectives of online learning. However, we still don't know the factors which impact online learning most.
2.Law listed five theoretical frameworks to assess learning outcomes in CSCL settings. Are there evaluation instruments available based on those theoretical frameworks. How can frameworks guide the instructional designers to design and facilitate the CSCL environment?
Monday, April 27, 2009
Monday, April 20, 2009
Support Groups and Healthcare
1. Galegher (1998)
legitimacy: Why do you come there? Legit reason for people to come here?
referring back to personal experience, referring by a doctor to a formal group
Authority: Why do people believe, trust what you say?
source of information,some form of testimony,how people write
How could online community offer guidance for members to evaluate the various treatments? One solution could be rating system. However,is the rating system enough such as the ebay online commercial rating system since medical treatment could be more serious.
2.Oxford Health literacy
The paper presents the definition of health literacy and overview of health education history. What's role of Web2.0 technologies in promoting health literacy other than tools to facilitate synchronous and asynchronous communication?
technology determinism-catch up with the technology
eg. technology drives school reform.
social determinism-perceived social needs drive technology evolve
BOT- technology agent
legitimacy: Why do you come there? Legit reason for people to come here?
referring back to personal experience, referring by a doctor to a formal group
Authority: Why do people believe, trust what you say?
source of information,some form of testimony,how people write
How could online community offer guidance for members to evaluate the various treatments? One solution could be rating system. However,is the rating system enough such as the ebay online commercial rating system since medical treatment could be more serious.
2.Oxford Health literacy
The paper presents the definition of health literacy and overview of health education history. What's role of Web2.0 technologies in promoting health literacy other than tools to facilitate synchronous and asynchronous communication?
technology determinism-catch up with the technology
eg. technology drives school reform.
social determinism-perceived social needs drive technology evolve
BOT- technology agent
Monday, April 6, 2009
Social Presence
The concept of social presence was from the seminal work of Short, Williams, and Christie in1976. Social presence refers to the “degree of salience of the other person in the interaction and the consequent salience of the interpersonal relationships...”
1.Gunawardena,C.N.(1995).Social Presence Theory and Implications for Interaction and Collaborative Learning in Computer Conferences
Social presence is considered as a quality of the medium itself and hypothesize that communications media vary in their degree of social presence, and that these variations are important in determining the way individuals interact. The capacity of the medium to transmit information about facial expression, direction of looking, posture, dress and nonverbal cues, all contribute to the degree of social presence of a communications medium. My question is whether users’perceptions of media alter their behavior or the capability of the medium alter users’behavior?
2.Rettie,R. Connectedness, Awareness and Social Presence.
Christiansen and Maglaughlin (2003) classify four types of awareness: workplace awareness, which is knowledge of tasks within the virtual environment, availability awareness, which relates to the availability of people and objects, group awareness, which promotes the feeling of belonging to a group, and contextual awareness, which includes physical, social and mental context. Rettie states that extent of awareness is larger than the extent of social presence. I feel that awareness and social presence are interwoven. What do you think the relationship between awareness and social presence?
1.Gunawardena,C.N.(1995).Social Presence Theory and Implications for Interaction and Collaborative Learning in Computer Conferences
Social presence is considered as a quality of the medium itself and hypothesize that communications media vary in their degree of social presence, and that these variations are important in determining the way individuals interact. The capacity of the medium to transmit information about facial expression, direction of looking, posture, dress and nonverbal cues, all contribute to the degree of social presence of a communications medium. My question is whether users’perceptions of media alter their behavior or the capability of the medium alter users’behavior?
2.Rettie,R. Connectedness, Awareness and Social Presence.
Christiansen and Maglaughlin (2003) classify four types of awareness: workplace awareness, which is knowledge of tasks within the virtual environment, availability awareness, which relates to the availability of people and objects, group awareness, which promotes the feeling of belonging to a group, and contextual awareness, which includes physical, social and mental context. Rettie states that extent of awareness is larger than the extent of social presence. I feel that awareness and social presence are interwoven. What do you think the relationship between awareness and social presence?
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