RELIABILITY‚ VALIDITY AND REPRESENTATIVE SAMPLE IN RESEARCH John and Webb (2002‚ p.148) distinguishes between validity and reliability‚ arguing that the first one is the extent to which a research is capable of measuring what it is supposed to be measuring and the second one is the extent to which a research delivers consistent results. Validity and reliability measurement instruments are free of bias and random error. Haynes and Heiby (2004‚ p.47) propose some questions addressing sampling adequacy
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the squads performance. Reliable information is information that is trusted and you know that it is going to be factually correct and accurate. So the information you’ve been given will come from an accurate and trustworthy source. To check the reliability of the information would be to check the source of the information for example if it originates from a government website it is more reliable than pages like
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The scientific Method 1. Scientific Method- scientific investigation involving the observation of phenomena‚ the formulation of a hypothesis concerning the phenomena‚ experimentation to demonstrate the truth or falseness of the hypothesis‚ and result that validates or modify the hypothesis. Mechanist- Has belief that only natural forces govern living things‚ along with the rest of the universe. Vitalist- believes that the universe is at least partially governed by supernatural powers. Cause
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The Use of Student Assessment for Policy and Learning Improvement Education Policy and Reform Unit (EPR) Education Policy Research Working Document No. 1 Published by UNESCO Bangkok Asia and Pacific Regional Bureau for Education Mom Luang Pin Malakul Centenary Building 920 Sukhumvit Road‚ Prakanong‚ Klongtoey Bangkok 10110‚ Thailand © UNESCO 2013 All rights reserved The designations employed and the presentation of material throughout this publication do not imply the expression
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data. These steps are critical for researchers. Not only is it important to follow the steps of research‚ but it is allow important to know which research to choose. Research methods determine what kind of research is being done. Quantitative research involves numbers‚ qualitative research involves words‚ and both mixed methods and action research combine both quantitative research and qualitative research. The Research Process The five major objectives of educational research include exploration
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Thematic Apperception Test Olive Jane M. De Leon BS Psychology 3-5 The Thematic Apperception Test (TAT)‚ is a projective psychological test. Proponents of this technique assert that a person’s responses reveal underlying motives‚ concerns‚ and the way they see the social world through the stories they make up about ambiguous pictures of people.[1] Historically‚ it has been among the most widely researched‚ taught‚ and used of such tests.[2] History The TAT was developed during the 1930s
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Gabriele Jahn‚ Matthias Schramm and Achim Spiller The Reliability of Certification: Quality Labels as a Consumer Policy Tool ABSTRACT. Given the large number of certification systems in the food industry‚ it is surprising that there are only a few research approaches to the economics of certification. Certification schemes are used to ensure marketing claims for unobservable quality attributes. Under asymmetric information‚ process-oriented quality characteristics such as organic farming‚ animal welfare
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While Asgard’s equivalent of Armageddon does occur in both stories‚ the changes in the story of Ragnarok that director Taika Waititi puts into play in Thor: Ragnarok display current political themes such as nationalism‚ colonialism and the issue of refugees. At the center of these themes is the villain Hela‚ who just wants to “make Asgard great again” (sound familiar?) and will do anything to make it happen. “As Hela looks upon the old paintings of imperial Asgard‚ she declares she wants Asgard to
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Sentence Completion Tests: A Review of the Literature and Results of a Survey of Members of the Society for Personality Assessment Margot Holaday‚ Debra A. Smith‚ and Alissa Sherry Department of Psychology University of Southern Mississippi Test usage surveys consistently find that sentence completion tests (SCTs) are among the most popular personality assessment instruments used by practitioners. What is not noted is which SCTs practitioners are using‚ why these tests are so popular‚ and whether
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1) The functional unit of the kidney is the a- Calyx b- Nephron c- Collecting duct d- Pyramid 2) All of the following are components of the nephron except the: a- Loop of Henle b- Renal corpuscle c- Proximal tubule d- Renal pelvis 3) Plasma proteins are not commonly found in the urine because: a- All proteins are subsequently reabsorbed b- All of the plasma proteins are too large to fit through the filtration slits c- All proteins filtered
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