Hypothesis testing I Kevin Soo Outline • • • • Theory and the research process What is a hypothesis? Hypothesis testing Statistical models Theory and the research process Theory • A belief – Can be true or false – P (belief) • A proposed/possible explanation for something – ‘Some students do poorly at statistics because they have less exposure to mathematics’ – ‘Women don’t date me because I’m ugly’ – ‘Manchester United lost the Premier League because they struggled with injury
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[pic] [pic] [pic] Jan- May’2012 Compiled by: Sr. Lect. Prachi Dewan ECE Department GTBIT. LIST OF EXPERIMENTS (Electrical Science Lab-I) Branch:- EEE /ECE 1. Introduction to various Basic Instruments of Electrical Science 2. To verify Superposition Theorem. 3. To verify Thevenin Theorem and find out Thevenin’s Equivalent circuit using DC Sources. 4.
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TESTING FOR MACROMOLECULES Describe the positive test for starch. Explain how you know. The positive test for starch is adding iodine solution. In the experiment‚ the starch solution had the most dramatic reaction with the iodine solution. It turned to an opaque bluish-purple solution while other samples all turned to a colour related to orange and yellow other than the vegetable oil. But the vegetable oil was more translucent than completely opaque. Describe the positive test for
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PROCEDURE Part I Setting Up Experiment 2D: Separation of a mixture by Paper Chromatography Objectives: 1. To assemble and operate a paper chromatography apparatus 2. To study and the significance of Rf values 3. To test various food colorings and to calculate their Rf values 4. To compare measured Rf values with standard Rf values 5. To separate mixtures of food coloring into their components 6. To identify the components of mixtures by means of their Rf values Materials / Apparatus: See “Health
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The Afterlife Investigations: The Scole Experiment “Best evidence of life after death ever.” This is what this documentary film is pointing out. Is there really a life after death? Well this film makes me believe more that there is indeed a life after death. However‚ how can scientific evidence explain life after death? Now this film showed me how. The ninety-minute documentary film is about the Scole Experiment‚ which is a five-year investigation into life after death. It is conducted by
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subjects in experiments. The use of human beings for experiments or research can have lasting negative effects on that individual such as emotional and psychological damage. The Milgram experiment even though it was a hoax had a lasting effects on many of it’s participants in both positive and negative ways and is a example of why humans should not be used as test subjects. The Milgram experiment was conducted by Stanley Milgram a assistant professor of psychology at Yale. The experiment wanted to
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Animals for testing or not In the two articles‚ Heloisa Sabin and Peggy Carlson have different points about the animal testing. Both articles argued on the issue and there does not seem to be any agreement between the two writes‚ while there is an evident disagreement between them. Sabin agrees to Animal Testing. Animal research saves human lives but Carlson disagrees. Animal tests are unreliable. In “Animal Research Saves Human Lives” Heloisa Sabin (The Wall Street Journal‚ October 18‚ 1995)
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because of animal testing. Things we use every day like eye shadow‚ soap‚ and furniture polish may have been tested on rats‚ guinea pigs‚ dogs‚ rabbits‚ cats‚ and other animals. These tests are used to see if the produce is harmful or not. Animal tests can’t be used to treat or prevent injuries to humans. These tests are not required by law; they only protect them from consumer lawsuits. I believe animal testing is wrong and you should too. First of all‚ other tests besides animal testing can be used
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A. Stanford Prison Experiment- In this experiment‚ students volunteered to be a part of a psychology experiment that was being conducted at Stanford College. Because of the situation around them‚ they conformed to the environment‚ even though it was only a simple experiment in a Stanford hallway. Embarrassed and yet impressed‚ the experimenters stated this‚ “The negative‚ anti-social reactions observed were not the product of an environment created by combining a collection of deviant personalities
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wrong to experiment on animals for our own benefit? Many may disagree and believe its immoral and shouldnt be done. Science and manufacturing need animal experimentation to prevent harm to humans because it helps to develope cures for disease and to save humans from experimentation. Animal rights activist oppose the use of animals for medical research arguing that it’s cruel and immoral. The truth is some of the animals dont even suffer. Many people dont understand that because of animal testing many
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