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1. SOURCES OF INFORMATION:
ACCESSIBILITY AND EFFECTIVENESS
Ms. Rio Mae M. Ramos

2. It’s time to
PRAY

4. CLASSROOM RULES
R:Respect everyone and everything.
I: Inspire learning and creativity.
O:Own your actions and responsibilities.

5. SOURCES OF INFORMATION:
ACCESSIBILITY AND EFFECTIVENESS
ENGLISH 10

7. • What information can be
provided by the said picture?
• Is the information accessible
and effective?

8. • Define and distinguish between primary, secondary, and
tertiary sources of information.
• Identify the type of source used in different materials.
• Evaluate and compare the accessibility and effectiveness
of two or more sources (one viewed and one read).
• Reflect on which source they find more useful and why.
Learning Objectives:
At the end of the lesson, students should be able to:

9. • anything that provides knowledge or data.
It can be a person, a document, a website,
or any other entity that supplies
information.
•Understanding the source of information is
crucial for evaluating its reliability and
trustworthiness.
Source of Information

10. Three Major Sources of Information
Primary
Documents
Secondary
Documents
Tertiary
Sources

11. • First hand documents
written by those who
experience and/ or see it at
the period of research or the
time an event happens.
• Original documents
Primary Documents

12. PRIMARY DOCUMENT
EXAMPLES
•Newspapers
•Diary Entries
•Photographs
•Artifacts
•Autobiographies
•Manuals
•Interview
•Letter
•Original documents
•Speeches
•Audio/video
recording

13. • written as recounts of events.
• The author has not personally
witness what he/she has written
• Include interpretations,
discussion, commentaries or
evaluation of primary sources
Secondary Documents

14. Secondary Document Examples
• biographical works
• History (retold
version)
• books
• evaluation
• news (not by
eyewitness)
• cristicism

15. • basically collection of
information from primary and
secondary sources
• They do not present original
information, but instead offer a
broad overview or consolidation
of existing knowledge.
Tertiary Sources

16. Tertiary Sources Examples
almanac
dictionaries
encyclopedias
bibliography
database
abstract
indexes/indices
dictionaries

17. Specific Information Sources

18. Specific Information Sources

19. Effectiveness
• Effectiveness refers to how well a
source helps the reader or viewer
understand the topic or accomplish a
learning goal.
• An effective source communicates
information clearly, accurately, and
meaningfully.

20. Accessibility
• refers to how easy it is to find,
open, read, understand, and use
a source of information. A source
is accessible when students can
reach and use it without much
difficulty.

21. Types of Accessibility
1.Text accessibility
2.Image accessibility
3.Audio accessibility
4.Video accessibility

22. Aside from accessibility and effectiveness, it is essential to
review the source of information for the readers to:
1. Satisfy the expectations of the academic community you are
writing for;
2. Show evidence of wide, informed and relevant reading’
3. Show that your writing does not rely mainly on personal opinion;
4. Show the process by which you have arrived at your own
conclusions about the topic, and to enable the reader to
understand and evaluate the ideas and information you are
presenting;

23. Aside from accessibility and effectiveness, it is essential to
review the source of information for the readers to:
5. Show your ability to integrate material from a range of sources;
6. Show evidence of an analytical and critical approach to your
source material;
7. Enable readers to follow up references or perspectives of
particular interest to them; and
8. Avoid plagiarism.

24. Group
Activity

25. Task 1: In each group of sources, provide at least five sample
documents classified under their classification.
Task 2: In each information source, provide at least five examples of
documents classified under their groups.

26. QUIZ

27. 1. Which of the following is a primary
source of information?
a. Textbook summary
b. Encyclopedia article
c. Personal diary
d. News commentary

28. 2. Which source provides a summary or
collection of other sources and does not
present original information?
a. Newspaper report
b. Interview transcript
c. Encyclopedia
d. History book

29. 3. Which of the following best describes an
accessible source of information?
a. It contains only technical terms and
jargon
b. It is behind a paid subscription
c. It is easy to find, open, and understand
d. It only includes text, no images or audio

30. 4. Ana is writing a report about the impact of Typhoon Yolanda. She
watches a survivor's video interview and reads a textbook summary
about the event. Which statement best compares the two sources?
a. The textbook is more effective because it shows real emotions.
b. The video is a tertiary source, and the textbook is a secondary
source.
c. The video is a primary source, and the textbook is a tertiary source.
d. The textbook is more accessible because it uses first-person
accounts.

31. 5. Marco found a website article with basic information about climate
change and a video of a scientist explaining the greenhouse effect in
detail. He wants to understand the science behind climate change better.
Which source is more effective for his purpose, and why?
a. The article, because tertiary sources are always better.
b. The video, because it likely explains the science more clearly and
directly.
c. The article, because it is more emotional and engaging.
d. Both, because they are equally effective for all topics.

32. HOMEWORK

33. In your notebook, write a 5-sentence essay on
your reflection on the importance of
understanding the content of a particular
material in terms of accessibility and
effectiveness.

34. Question/
Clarification?