Disadvantages of overhead projector in teaching

. :: Reice 2011 - Vol 9, No. 3 ::.

August 29, 2013 – 10:14

Uni Watch » Monday Morning Uni Watch, Summer Edition


Advantages and Disadvantages on Learning Perceived by Undergraduate Students of the Mediated Classroom Teaching with PowerPoint ™: An exploratory study

Summary

This work, in the foreground, makes a survey of the literature on the use of PowerPoint ™ in the classroom, and a second, investigates (i) the preference of the students on the adoption of the PowerPoint ™ when compared to some traditional sources, such as blackboard and overhead, and (ii) the advantages and disadvantages of new technology in the mediation of classroom teaching. The study was conducted at a private institution of higher learning in the city of Curitiba-PR, by collecting 134 questionnaires surveyed by students enrolled between the first and fourth year of the Accounting Course. The analysis of the data were processed using Cluster Analysis, where identifiou two distinct groups and the result of the interrelationships between the variables investigated was obtained by the nonparametric Kruskal-Wallis test. The research result shows that one of the groups presented a more cohesive in agreement PowerPoint ™ as a mediator of classroom teaching, and also in agreement of the benefits of this software as part of the teaching methodology in the classroom, so the two groups existing students differed among themselves on the use of PowerPoint ™ in the classroom and in the preference for blackboard or retroprojetorte.

Keywords

PowerPoint ™, traditional methods, advantages and disadvantages.

Full Text

Reference

Panucci Filho, L., Santos, CA y Almeida, LB (2011). Advantages and Disadvantages on Learning Perceived by Undergraduate Students of the Mediated Classroom Teaching with PowerPoint ™: An exploratory study. Reice. Revista Iberoamericana about Calidad, Effectiveness Cambio y Educación en, 9 (3), pp. 94-109.
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Source: www.rinace.net

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This is exactly

What I did. I got a bulb from an overhead projector that matches the output of the LCD projector. I made my own bracket and it works absolutely perfect and the only mod I had to do is use some tin snips, a Dremel, and some wire to mount the thing.
The bulb was completely free, where my dad works they have a HUGE box of replacement bulbs. He asked if he could take one and his boss just laughed. Man I love Craigslist!

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  • Avatar Mommy of 2) Where can I find a projector for rent for my project? Not a movie projector.?
    Jul 17, 2008 by Mommy of 2) | Posted in Painting

    Like the ones they use in school that you put an image on and it shows it on the wall. NOT A MOVIE PROJECTOR. You think a library might have one??
    I want to paint a mural on my sons wall. I have found murals you can buy online and the one I like is 700 dollers. I printed in on a transparancy and tried to use a a lamp but that doesn't work..

    • You might be able to rent one from a business center. I have rented them for hotel conferences many years ago.
      Another option is to enlarge the image you have using the grid system. Draw grid lines in the original …transfer the image, drawing the shapes in each square. For example a 1/2 inch square on the orignal, would be a 6 inch square on the wall. That's the way a professional muralist would do it. That's the way I would do it.

  • Avatar gason2 Recommend a HD tuner for my Projector?
    Sep 01, 2009 by gason2 | Posted in Home Theater

    I am looking into getting one of these three 720P DLP Projectors and I will need to upgrade my tuner to handle HD. First off, which of these two projectors would you go with? Would you recommend another? I'm not ready … projection tv to an overhead projector? Thanks.
    The reason I'd rather not get 1080P; more $, I'd have to buy a pricey blueray player plus blueray discs and I'd also have to upgrade my dish to HD which is too much

    • I have the Samsung DTB-H260F, works great using HDMI output to my projector:
      not get the 1080p Optoma HD20? In stock at Amazon, free shipping:
      have a 720p projector, which works well, but I will be upgrading to a 1080p soon. Twice the pixels makes a huge difference, especially if you have a big screen.