Project 1.1.6 Student Response Sheet Experiment One: A researcher wanted to test the effect of caffeine on sleep. Fifty students volunteered to participate in the study and signed up for one of two nights. Thirty-three students participated on Tuesday night. They each were given two cups of regular coffee to drink one hour before going to sleep. Seventeen students participated on Wednesday night. They each were given two cups of decaffeinated coffee to drink one hour before going to sleep. Each
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Medication administration errors‚ though preventable‚ are a common problem. “One-third of all medication errors that cause harm to patients arise during medication administration (Bates et al.‚ 1995). Many nurses identify interruptions as a key factor contributing medication administration errors (Tang‚ Sheu‚ Yu‚ Wei‚ and Chen‚ 2007; Fry & Dacey‚ 2007). To enhance patient safety‚ effects of interruptions during medication administration must be evaluated. The purpose of this study is to evaluate
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Memory and Human Error Abstract The concept of human memory is yet to be completely understood with scientists still disputing the many theories and models. Undoubtedly‚ it is impossible to rule out human error completely; however‚ by adopting appropriate procedures the probability of errors can be minimized. This essay investigates the scientific studies of human memory and how empirical findings can be implemented to reduce human error at work. This paper arrives at the conclusion that four
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The following article was published by Reuters and contains a serious methodological flaw. "WASHINGTON (Reuters) -- Brain scans show that the brains of people who are lying look very different from those of people who are telling the truth‚ U.S. researchers said on Monday. The study‚ using functional magnetic resonance imaging or fMRI‚ not only sheds light on what goes on when people lie but may also provide new technology for lie-detecting‚ the researchers said. "There may be unique areas
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Blood Pressure Experimental Design By All First Period PBS 1. Problem o Does blood pressure change when you are active? 2. Hypothesis o Blood pressure will increase when physical activity increases. o independent variable is the the stressor or physical activity and the dependant variable is the blood pressure measurement. 3. Materials o Sphygmomanometer o Lab Journal o Computer o Pencil o Paper 4. Steps 1. Wrap the
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an exposure to fertilizer. By changing the independent variable (whether or not the plant was planted with fertilizer)‚ you are testing to see how the dependent variable would change (the growth of plants). In order to assure that there is no experimental error‚ a control must be kept to produce the most accurate data on what effect fertilizer has on plant growth. Although many environmental factors could be tested‚ such as the amount of sunlight exposed to or the amount of water given‚ some of the
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The uncertainty reduction theory was created with intention of giving an explanation to an everyday occurrence when encountering new people. The theory gives reason to something everyday people experience regularly without consciously thinking about it. Psychology had attempted to explain the emotional process of first encounters but never like this. Although a lot of thought and consideration had been put into this‚ there was no way it could consistently cover every aspect it addresses. Diving further
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the quantity. The art of estimating these deviations should probably be called uncertainty analysis‚ but for historical reasons is referred to as error analysis. This document contains brief discussions about how errors are reported‚ the kinds of errors that can occur‚ how to estimate random errors‚ and how to carry error estimates into calculated results. We are not‚ and will not be‚ concerned with the “percent error” exercises common in high school‚ where the student is content with calculating
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5.5 Experimental Setup We here briefly describe the classification algorithms applied‚ the BBC forum dataset [112] used and the performance evaluation measures used to analyze the results. 5.5.1 Classification Algorithms For classification task‚ in this module‚ we used the four classification algorithms of Support Vector Machine‚ Decision Tree‚ Naïve Bayes and Logistic Regression provided in ODM[107]. As discussed earlier that it is used for data mining tasks in a number of existing research works[108-110]
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mathematical calculations particularly susceptible to propagating successive errors in downstream operations. Those flows create compounding phenomena‚ known as Propagation of Error‚ with the potential to severely degrade accuracy unless otherwise corrected or compensated. Imagine the profound corollaries of erroneous ship navigation while crossing an ocean‚ missile trajectory on a defense system or medical research for an experimental cancer treatment? In an age where technical accuracy often tethers people
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