THE SUBJECT MATTER OF EXPERIMENTS A well-designed experiment tells us that changes in the explanatory variable cause changes in the response variable. More exactly‚ it tells us that this happened for specific subjects in the specific environment of this specific experiment. No doubt we had grander things in mind. We want to proclaim that our new method of teaching math does better for high school students in general or that our new drug beats a placebo for some broad class of patients. Can we
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The Stanford Experiment Summary The Stanford Prison Experiment was an experiment to see what would be the psychological effect of becoming a prison guard or a prisoner. To do the experiment they set up a prison in the basement of Stanford’s Psychology Department Building. They used a sample of 24 students from the U.S. and Canada who were in the Stanford area and wanted to make $15 a day for participating in the study. To begin the experiment the boys were divided into two group half guards
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An Experiment on Soil Analysis Jacob Pitcher and Derrick Gillespie Chemistry Lab 112 Section 02 4/02/2013 Abstract A sample of soil was tested for possible contaminants and other information using a variety of techniques including moisture analysis‚ pH measurement‚ acid-base titration‚ chloride-ion electrode analysis‚ and flame testing. The sample had a greater concentration of chloride ions‚ no measurable CaCo3 ‚ and lower than standard moisture content. It was contaminated with KCl and
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the angles of incidence and the angles of refraction. 12. Use your practical results to verify Snell’s Law. Results: *Refractive index for Perspex is 1.5. Experiment 1 n1 sinθ1 = n2 sinθ2 1 sin30° = n2 sin19.5° ∴n2 =1.497 (Refractive Index) Experiment 1 check 1.497 sin 19.5 = 1.5 sin19.5° 0.4997 ≈ 0.5 Experiment 2 n1 sinθ1 = n2 sinθ2 1 sin60° = n2 sin35°
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Bouncy Ball Experiment Aim: The aim of this experiment is to investigate the efficiency of a bouncing ball‚ and the factors which affect its efficiency. Prediction I predict that the higher I drop the ball from the higher it will rebound up‚ because it will have more gravitational potential energy the higher dropped from. As it is dropped the ball will have kinetic energy‚ and then when it hits the ground changes to heat and sound energy‚ and kinetic as it rebounds back up. The higher up
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Pipe Flow Experiment Purpose The purpose of the experiment is providing an opportunity to students of experience to familiarize with some key aspects of fluid flow in pipe‚ notably friction losses and verify theory. In this experiment‚ required equipment are a water tank‚ piezometric tubes‚ pump‚ a stop watch‚ empty bucket and a digital weight scale. By operating the pump to keep the water is full in the water
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PLAN OF INVESTIGATION Fundamental Science Salt water egg experiment Result Some objects float on top of the ocean‚ and other objects sink to the bottom. Why? In this salt water egg experiment we can find a solution for this question. It was noted that to make the egg float salt is needed to dissolve into fresh water. When the egg was lowered into the fresh water container it started to sink. But when salt was added to the container the egg started to float. Adding salt
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1932‚ the United States Public Health Service (USPHS) conducted an experiment in Macon Country‚ Alabama‚ to study the progression of syphilis in black males known as the “Tuskegee Syphilis Experiment”. During this experiment‚ medical professionals intentionally withheld treatment for syphilis after deceitfully promising these volunteers beneficial treatment to help combat the disease. Until this day‚ the Tuskegee syphilis experiment is an infamous clinical study in America’s history that delineates
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8. Was this a true “experiment”? If so‚ what was being tested? In the short story "Dr. Heidegger’s Experiment"‚ by Nathaniel Hawthorne‚ rather than observing the effect on people of the water from the Fountain of Youth‚ there is a true experiment behind. Though the narrator spends chunks of description on how the water changes people’s appearance and action‚ the inner human nature is what it really tests. As the doctor said before the experiment‚ "it would be well that‚ with the experience of
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watched the Milgram experiment during the first lecture. The result of the experiment was very shocking to me – over half of the subjects would keep shocking the ‘learners’ until the end just because the experimenters required them to do so‚ even though the learners cried desperately for help. I think this experiment has fully revealed the destructive side of authority‚ which can turn a mature and conscientious adult into a tool for punishment or even killing. The experiment reminds me of the painful
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