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e objective of this study was to test whether information presented on slides during presentations is retained at the expense of information presented only orally, and to investigate part of the conditions under which this effect occurs, and how it can be avoided. Such an effect could be expected and explained either as a kind of redundancy effect due to excessive cognitive load caused by simultaneous presentation of oral and written information, or as a consequence of dysfunctional allocation of attention at the expense of oral information occurring in learners with a high subjective importance of slides. The hypothesized effect and these potential explanations were tested in an experimental study. In courses about literature search and access, 209 university students received a presentation accompanied either by no slides or by regular or concise PowerPoint slides. The retention of information presented orally and of information presented orally and on slides was measured separately in each condition and standardized for comparability. Cognitive load and subjective importance of slides were also measured. The results indicate a "speech suppression effect" of regular slides at the expense of oral information (within and across conditions), which cannot be explained by cognitive overload but rather by dysfunctional allocation of attention, and can be avoided by concise slides. It is concluded that theoretical approaches should account for the allocation of attention below the threshold of cognitive overload and its role for learning, and that a culture of presentations with concise slides should be established.

Brain training does not necessarily mean computerized games. Mediation is a great tool to train different parts of the brain.

PowerPoint is an application designed to help the speaker or lecturer assemble professional looking slides to be used in oral presentations. The result sadly is often an unending stream of slides with bullet lists, animations that obscure rather than clarify the point and cartoons that distract from rather than convey the message. This paper examines what the speaker can do to avoid 'death by PowerPoint'. The options of an alternative communication format or an alternative presentation tool are considered. For most speakers, however, the problem is not with PowerPoint but with how they make use of it. Three approaches to making presentations using PowerPoint are described which should yield rich rewards and a more attentive and appreciative audience.

Wiley InterScience :: JOURNALS Developmental Disabilities Research Reviews

This report has been written to contribute to the current debates about educational quality in undergraduate education in the U K, and about the need to justify increases in resources on the basis of indicators of educational quality. This report will identify a range of dimensions of quality and examine the extent to which each could be considered a valid indicator, with reference to the available research evidence. I t attempts to identify which kinds of data we should take seriously and which we should be cautious of placing weight on. S ome of these dimensions we might be wise to pay attention to currently lack a solid evidence base, especially in relation to research carried out in the U K context, and so the report also identifies priorities for research and for data collection and analysis.

Laila Rashed Iskandar Kamel is now the Minister of State for Environment Affairs in Egypt under the interim government of Prime Minister Hazem El Beblawi. Her track record in Cairo's waste management brought her to the attention of the statesmen in her country. She is the founder of Community and International Development Group, a holistic consultation firm that aims to bridge grassroots communities and giant manufacturers so they can both work towards the good of the community. Her work with the zaballeens or garbage people, earned her the Goldman Environmental Prize in 1994. To read more about Laila Iskander visit www.thextraordinary.org

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A new and recent scientific publication suggests that everyone should focus more attention on building mental capital and well being along the life course. If you are engaged in variety of activities, it will last for life long.

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With the development of economy, people pay more and more attention to environmental protection, and the importance of sewage treatment to life and enterprises is becoming more and more obvious. It is not uncommon for many enterprises to shut down for rectification due to unqualified sewage discharge. Therefore, this paper mainly introduces the specific function and working principle of the sewage treatment centrifuge. Sewage treatment refers to the use of professional sewage treatment equipment to treat domestic and industrial wastewater to reduce or completely eliminate pollutants contained in sewage, through physical methods, chemical reactions or biological treatment processes, such as reducing nitrogen and phosphorus in sewage. content. Nitrogen and phosphorus are the main chemicals responsible for eutrophication of water bodies.

Writing a term paper can sometimes be frustrating. This is especially true when the student does not know what the certain guidelines are to make term...

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