Transparencies correct pp

Education

1. Universidad Autónoma de Chiriquí Faculty of Humanities School of English Materials Development- Eng 420 Transparencies (OHP) Professor: Marisol Barraza Done by: Gantes & Montero May 18th, 2016 1

2. Introduction Overhead Projector was created by Jules Duboscq , in 1870s. U sed during the Second World War Used as a teaching tool since 1950s. B ecome popular easy to used Provides an interactive environment for educators. 2

3. Table of Contents Definitions Parts of the OHP How the OHP can be used in different instructional situations Advantages of using OHP Disadvantages of using OHP Guideliness for use OHP 3

4. Table of Contents Standards in using OHP Designing OHP transparencies-basic principles Producing computer generated OHP materials Display techniques Tips for Effective use of OHP Materials Conclusion Reference page 4

5. Definitions Overhead Projector: machine designed to project an image, text, and drawings onto a small screen or whiteboard Transparencies: pages transparent and flexible used to place information and images 5

6. Parts of the OHP 6

7. How the OHP can be used in different Instructional Situation Expository teaching of virtually any type Group learning situations Enabling members of a group to display material that they themselves have produced 7

8. How the OHP can be used in different Instructional Situation To present activity plan or objectives To show tables To systematize the information to be conveyed To list brain-storming ideas 8

9. Advantages of using OHP It is portable Get transparency materials in low cost Located in front of the room Used in a room with normal lighting It is simple to operate 9

10. Advantages of using OHP Used as a chalkboard or market board Modify transparencies during the presentation You can write without turning your back Maintain eye contact Audiences can follow handout or take notes 10

11. Disadvantages of using OHP It requires a power supply Needs suitable surface about four square feet Need spare bulb in case unexpected events Many users do not give sufficient thought to the production of their display material 11

12. Disadvantages of using OHP Tendency to include too much information in a single frame Teachers or lectures overuse the OHP Difficult to transport because of its weigh Cost of materials required to operate them Used with small audiences. 12

13. Guideliness -How to use the OHP Located it in a place where everybody can see the screen. Arrange the projector and screen in a way to minimize it. It should have appropriate angles in horizontal and vertical planes. 13

14. Guideliness -How to use the OHP Adjust the distance from projector to screen so the image fills the full area Make sure the acetate and open head surface are clear and free of dust or dirty 14

15. Standards in using OHP Make the text, illustrations or pictures in your transparencies big enough Schematize: present essential points, one transparency every 2 or 3 minutes Use a pointer to emphasize points on the acetate Plan for a dramatic presentation 15

16. Standards in using OHP Check visibility; do not block the screen Plan your narration. Turn on the lamp only if there is a transparency on the projector Put off the projector for prolonged explanations, or when it is not needed 16

17. Designing OHP transparencies-basic principles There two basic Principles: Do not try to put too much information on a single transparency. Use a clear, systematic layout. 17

18. Producing computer generated OHP materials 18 Use computer to design and produce OHT C reate both alphanumeric and graphic materials and print them out in OHP transparency form - in full color, and with whatever size of lettering is wanted

19. D isplay Techniques a) Progressive Disclosure I nvolves covering up all or part of the material on a given transparency, and progressively revealing the material as the presentation proceeds 19

20. Display techniques b) Framing Transparencies Essential information placed visible for your audience and notes written for the teacher’s support 20

21. Display Techniques c) Use of overlays W hole area of transparency is revealed from the start, with additional information being added to the original display by superimposing further transparencies on the original. 21

22. Display T echniques c ) Use of Overlays 1. To lay separate transparencies 2. Make use of hinged overlays 22

23. Tips to use OHP Effectively Just write key points on transparencies Keep transparencies simple - 7X7 Rule Use 18 point type- no more than two type styles Mix upper and lower-case letters for easy readability Do not use exclamation marks, they look like number one. See your overheads from all angles 23

24. Tips to use OHP Effectively 24 Do not turn off all room lights Turn projector lamp off during discussions Never stand anything between the projection and screen Give people time to read Talk to your listeners not the screen Before moving wait for period time to cool Down - bulb may explode.

25. Materials Transparencies Markers Ruler Cleaning supplies Bulbs A pointer 25

26. Conclusion OHP is a useful tool to project information for a small audience. It provides some advantages using it as well as some disadvantages. There are some usage principles teachers should follow to make its use effective. 26

27. References 27 Aceret , R. ( n.d. ). The Overhead Projector: Advantages and Standards. Educational Technology. Retrieved from http://ed-tech124.blogspot.com/2013/08/the-overhead-projector-ohp.html   Corey, W. (1999).Overhead projector usage. Business and professional toastmasters, club #1169. Retrieved from http://regainthemagic.com/BPToastmasters/overhead.html  

28. References Ellington, H. (1987). A Guide to the use of the overhead projector. Teaching and learning higher education. Retrieved from http://files.eric.ed.gov/fulltext/ED289497.pdf   Mott, E. (1983). How to make transparencies for the overhead projector. Azcentral . Retrieved from http://yourbusiness.azcentral.com/make-transparencies-overhead-projector-1185.html   Sinan , C. (1991). Using overhead projector in the classroom: Advantages and disadvantages. Csinan Blog. Retrieveed from https://csinan.wordpress.com/2013/04/11/47/ 28