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论文作者:www.51lunwen.org论文属性:本科毕业论文 Thesis登出时间:2014-07-19编辑:felicia点击率:13344
论文字数:6012论文编号:org201407182206119488语种:英语 English地区:中国价格:免费论文
关键词:信息技术可视化工具Information technologyVisualization tools数据可视化
摘要:这是一篇留学生毕业论文。信息技术的发展随着时代的不断发展变得越来越重要,在知识构架和决策管理中都有着十分重要的作用。本文通过信息技术和动画的发展现状,分析其发展中出现的问题,探索今后信息技术的发展前景。
H5a. Increases in users graph comprehension for automatic conceptual message lookup process, effected by DID, are more significant for LTC task than HTC task.
H5b. Increases in graph comprehension for inferential and top-down encoding process, effected by DID, are more significant for LTC task than HTC task.
H6. The impacts of DID on perceived usefulness towards decision making are more significant for LTC task than HTC task.
Research Method
The proposed study will employ a controlled laboratory experiment to empirically test the effects of DID on Decision making and the moderating effect of time-dependent task types to achieve a high degree of internal validity [55]. To simulate experimental display close to real experiences and to increase the generalizability of the findings, instead of developing a prototype of DID , we selected Motion Chart owned by Google Inc for the visualization tool to produce DID . Motion chart is a commercial product used in business.
Experimental Design
For this proposed study a within-subject factor along with a between-subject factor, 2X2 factorial design will be used. The within-subject factor, Display format, will have two levels: DID and Dynamic Graph. The between-subject factor, Task Type will have two levels: HTC and LTC (Refer fig 2). The within-subject design for the presentation format will enable control over individual differences like spatial ability[56], cognitive style, comprehension abilities, which could confound the results [6] and also economize on the number of participants required for this study.
Fig 2 2X2 Factorial Design
Because display format was a within-subject factor, different task type were employed for each display format. The different task will have the same difficulty level so that this study can control for difference in task difficulty to have an effect on decision performance. Different task will control for the learning effect that could happen by repeatedly making the same type of decision with same task using different display format under different time dependent task.
The participants might not use the interactive features provided in the DID even though it is provided to them. To control for that, the task assigned to DID will require manipulation of the data to arrive at the correct solution and the participants with the correct result will be rewarded with Bonus gift certificate to motivate them to use the interactive features of DID to arrive at the optimum result. Prior use and practice with a display format has an effect on performance [57] hence to control for that this study will allow participants to have experience with the visualization tool by giving them a brief 15 mins hands on training with the product.
As discussed earlier this study uses the term First, the pretest will be conducted with a pilot group that will be demographically similar to the experiment participants to determine the average time required by the subject to reach the optimum solution. Based on this average time the two lim本论文由英语论文网提供整理,提供论文代写,英语论文代写,代写论文,代写英语论文,代写留学生论文,代写英文论文,留学生论文代写相关核心关键词搜索。