Piezoelectric quartz crystal sensor
Liceo de Cagayan University Junior High School Department
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Liceo de Cagayan University Junior High School Department
Page 33 POWERPOINT In short, it brings together multiple media types in your presentation. To make your point, you may use combinations of pictures, audio, and video. Each PowerPoint slide is a blank canvas, waiting for your material to improve your points of speech or direct the presentation. Multimedia adds diversity to your slides and allows visual learners to better understand their text (Childress, 2017). Researched by University of Texas' Robert Bartsch and Kristi, Cobern, and published in their article "PowerPoint presentation effectiveness in lectures," coincided with my inquiry questions. They investigated whether students liked more from power point presentations than from overhead transparencies and learned more. They surveyed students to see which lecture they preferred, during an investigation that exposed students to lectures supported by transparencies and power point. Some of the data collected were the students ' quiz results taken in both types of lectures during the course. Classroom teachers have also made an increased effort to incorporate more multimedia forms of instruction into the classroom by using computer usage, videos, and power point presentations that have embedded mathematical applets into the presentation (Mayer, 2001). Three main findings were achieved by Bartsch and Cobern. First, students did not agree on whether they favored overhead transparencies over point of control. The second finding indicated that students felt that they had learned more from the power point presentations as compared to those using transparencies. The third result was that the extended presentation of the power point that took longer to construct corresponded to lower mean quiz scores. Finally, Bartsch and Cobern found that the final grades of the students in those sections that used power point had statistically higher scores than those of the other sections. The difference, however, wasn't significantly greater. |
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