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Chapter 4 - Is it true?

by: KUMIKO Notetaker

Chapter 4 - Is it true? G101

KUMIKO Notetaker
Cognitive Processes and Problem Solving
Rumi Sastro

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About this Document

Hi guys! Hopefully my detailed note of lesson 4 is helpful for you!
Cognitive Processes and Problem Solving
Rumi Sastro
Class Notes
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This 2 page Class Notes was uploaded by KUMIKO Notetaker on Sunday September 27, 2015. The Class Notes belongs to G101 at Republic Polytechnic taught by Rumi Sastro in Summer 2015. Since its upload, it has received 372 views. For similar materials see Cognitive Processes and Problem Solving in Education and Teacher Studies at Republic Polytechnic.


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Date Created: 09/27/15
ghapter 4 Is it true Scienti c Investigation Procedure and method should be objective 0 Measurement should be valid for the things that you are trying to assess Sample size should be suf cient Objectivity Objective Measurable Quanti able Validity Valid Suf ciency Suf cient Reasonable good representative of the group of subjects you are assessing Sample size should be around 30 samples or above Bigger sample size smaller error in the results Process of a Scienti c Investigation Understand the difference between facts and opinionnonfactual claim 0 Understand the quality that you are trying to assess or measure 0 Design your investigative method such that your measurement is valid in assessing the entity and enables you to collect data objectively Decide on the sample size of your investigation keeping in mind that it should not be too small or it should be suf ciency Practice Questions 1 quotWomen are generally more observant than menquot Is this statement objective Why 2 quotThe test can then be carried out to a group of 30 males and 30 femalesquot Is this statement suf cient Why 3 Which of the following statements is objective a This person is very tall b john can park his car well than Sally and Diana c The amount of sales of Popular in a month is 3000 books d He takes some time to nish the books 2 A study is planned to nd out which subject secondary school children in Singapore like best To do so the investigator plans to survey 5000 secondary school children to determine the average amount of time they spend in studying each subject they are taught eg English science maths etc outside normal lesson hours The subject where most amount of time is spent in studying by them is determined to be the subject secondary school children like most Explain clearly if such investigation is credible Learning Outcomes 1 Analyse available information andor resources to gather a coherent understanding of the problemissue Differentiate between facts and nonfactual claims Organise information to facilitate a meaningful and accurate interpretation of the problem situationcontext 4 Evaluate the certainty of claims by examining their objectivity context and the availability of additional informationevidence or potential for ve cann 5 Identify aws in the reasoning process UJN Need answers Feel free to drop me an email 15043445 myrpedusg


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