信息呈现方式、时间压力和认知风格对网上学习的影响

检验信息呈现方式、时间压力和个体认知风格对网上学习的影响效应.包括两个实验:实验一考察信息呈现方式和个体认知风格的影响;实验二考察信息呈现方式和时间压力的影响.结果表明:(1)在学习时间受限时,超文本优于线性文本,而在学习时间宽松时,两者无显著差异;(2)当时间压力不大时,呈现内容组织图不利于学习;(3)网络使用经验可掩盖认知风格的效应.本研究结论认为:文本类型、内容组织图和时间压力对网上学习绩效存在显著的交互作用.

Effects of information organization form, time stress and cognitive style on learning performance in WWW

The effects of information organization form, time stress and cognitive style on learning performances in WWW were examined. There were two related experiments. The effects of information organization form and cognitive style were examined in the first one, whereas the effects of information organization form and time stress were explored in the second one. It was found that: (1) hypertext was more effective than linear text in supporting learning under high time stress, but there was not significant difference between them under low time stress. (2) organizer impaired user's learning under low time stress. (3) the experience of internet may conceal the effects of cognitive style on learning. From the present study, it was concluded that there were some significant interactions among text structure, organizer and time stress on learning performance in WWW.