Performance (page32) 1. In this experiment‚ what might be some extraneous variables affecting the students’ test performance? 2. What might educators do to try to prevent the effect of the “dumb jock” negative stereotype on college athletes? The experiment done by Jameson‚ Diehl‚ and Danso‚ attests that a negative stereotype‚ being referred to as a “dumb jock”‚ may have negative impacts on the test performance of athletes. There were two groups in their experiment. The experimental group was exposed
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Examine the problems some sociologists may face when using experiments in their research. (20 marks) (January 2009) MODEL ANSWER Experiments are the preferred scientific method. There are two main types of experiments. The classic scientific experiment takes place in a laboratory in controlled conditions. By contrast field experiments take place in more natural but less controlled experiments. Although experiments are very successful in science they are rarely used in Sociology for the following
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Critique of The Hawthorne Experiments Biography Written by Fritz J. Roethlisberger (1898 – 1974)‚ The Hawthorne Experiments‚ explores the experiments‚ results and conclusions of studies performed at the Hawthorne Plant of the Western Electric Company. The Hawthorne Effect is the theory that resulted from the studies. Roethlisberger‚ a key member of the team‚ joined the team in 1927 and actively participated in the research until 1936‚ first as Elton Mayo’s assistant and later as his collaborator
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Aqualisa Quartz: Simply a Better Shower Introduction Aqualisa is a U.K. based shower manufacturing Company. The Company has been very reputed in the U.K. market for its top quality showers‚ reliability and great service. It had launched its premium brand Quartz in May 2001. The basic purpose behind launching this brand was to address the concerns of the consumers and the plumbers which perhaps were not satisfied
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Background Information The goal of this experiment is to measure the percentage of oxygen in air samples and this project will show an interesting way of doing that. The method depends on atmospheric pressure and a chemical reaction that removes oxygen from the air. I will find out what kind of chemical reaction can
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without causing harm to the specimen (2). Being classified as an indicator species‚ the Daphnia magna are extremely sensitive to changes to their marine environment‚ sometimes showing biological symptoms in response to toxicity exposure. (1). In this experiment‚ three Daphnia magna were treated with three different drugs to measure the change in their short-term cardiac function; ethanol‚ caffeine and nicotine. Ethanol‚ found in drinking alcohol is a
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If you can’t measure something‚ you can’t understand it. If you can’t understand it‚ you can’t control it. If you can’t control it‚ you can’t improve it. Methodology: Materials: • Meter stick • Ruler • Vernier Caliper • Micrometer • Triple Beam Balance • Graduated Cylinder • Short Bond Paper • Ballpen • Prism • Dice • Eraser of Mechanical Pencil • Water Procedure: • Prepare all the materials needed. • Be sure that you know how to use the apparatuses if not‚ ask the teacher or facilitator
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Aim: This is the reason for doing the experiment. It may contain a research question‚ but it must state what it is that we are investigating or what we hope to find out. Hypothesis: This is the basis behind your plan which leads you to believe that the experiment can be successfully carried out. It may also contain a prediction of the final answer (supported by a reason) Method: This is what was actually done or is going to be done. It may need a diagram‚ in which case it should be drawn
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Introduction: The purpose of this experiment was to see how exercising for a minimum of thirty minutes a day for at least four days a week altered vital capacity in people. Exercising for this amount was chosen to be studied because there have been many who have benefited from more exercise. The question to be answered was if this amount of exercise increased or decreased vital capacity. The hypothesis was vital capacity will increase in response to exercising for a minimum of thirty minutes a day
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Meselson–Stahl experiment From Wikipedia‚ the free encyclopedia The Meselson–Stahl experiment was an experiment by Matthew Meselson and Franklin Stahl in 1958 which supported the hypothesis that DNA replication was semiconservative. In semiconservative replication‚ when the double stranded DNA helix is replicated each of the two new double-stranded DNA helices consisted of one strand from the original helix and one newly synthesized. It has been called "the most beautiful experiment in biology.[1]"
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