smoke; however‚ when people were in groups in the waiting room only 38% of them had reported the smoke by the 6-minute mark. More recently‚ studies have been conducted to determine if this phenomenon is present in children and adolescents as well‚ and what factors play a role in their willingness to assist someone
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Extended Experimental Investigation Year 11‚ Microbiology BYRNES‚ Olivia Extended Experimental Investigation Year 11‚ Microbiology BYRNES‚ Olivia Abstract The following report discusses whether the bacteria E.coli K12 are able to gain resistance to nickel and aluminium over generations. It discusses the importance of bacteria and how it is used throughout everyday life. It discusses that some bacteria is used for human applications and shows how it can be helpful in certain situations
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they are cold blooded and the cold weather makes them slower. Being cold blooded‚ means that it adapts to the climate more as the temperature changes. Experimental Design The controlled group is the group where all the mealworms where at room temperature. The experimental variable was that we needed warm water and ice. The experimental set-up was that we made a hot and cold climate for the mealworms. For the hot climate the temperature kept rising and the cold climate went down
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An experimental investigation of scanner data preparation strategies for consumer choice models Rick L. Andrews‚ Imran S. Currim ‚ Over the past two decades‚ marketing scientists in academia and industry have employed consumer choice models calibrated using supermarket scanner data to assess the impact of price and promotion on consumer choice‚ and they continue to do so today In order to guide managerial decisions regarded price and promotion strategies. In its raw form‚ scanner
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In psychology‚ the experimental method involves the manipulation of some aspect of a situation‚ and observing the effects this has on a particular behavior. In technical terms‚ the former is the independent variable (IV)‚ and the latter the dependant variable (DV). Only the investigations which involve the manipulation of the independent variables is part of the experimental method. Basically‚ in other words‚ we can say that experimental method is the type of research which involves the investigation
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Experimental Determination of the Formula of Magnesium Oxide. Introduction: Magnesium is a mental‚ it is known to react with oxygen. Magnesium reacts vigorously when heated in the presence of air‚ which is why we have chosen high heat in our method to facilitate combustion. This oxidation reaction produces magnesium oxide gaining oxygen from the air. When sharing of electrons occur a chemical bond is made and the atoms combine to form a molecule. So‚ the predicted molecular formula:
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FOR THE EXPERIMENTAL RESEARCH OF FINE BUBBLE GENERATORS Nicolae BĂRAN‚ Alexandru Sorin PĂTULEA‚ Ionela Mihaela CĂLUŞARU POLITEHNICA UNIVERSITY OF BUCHAREST‚ FACULTY OF MECHANICAL AND MECHATRONICS ENGINEERING‚ Bucharest‚ Romania Abstract. The paper presents two types of fine bubble generators with the same number of nozzles‚ but differently placed. These two types of generators will be used in order to experimentally research the efficiency of the water oxygenation process; an experimental setup
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Name: Joie Vincent R. Dagohoy Date performed: 07-01-13 Student Number: 2009-33281 Date submitted: 07-08-13 Exercise 2 Formulation‚ Testing of Hypothesis‚ and Experimental Design I. Objectives: a. to define diffusion and demonstrate this process in gases b. to cite molecular weight and time as two factors affecting the rate of diffusion c. to formulate a hypothesis on the relationship of each of these factors on the rate of diffusion d. to conduct and experiment
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Experimental Errors and Uncertainty Data: The data table that follows shows data taken in a free-fall experiment. Measurements were made of the distance of fall (Y) at each of the four precisely measured times. Time‚ t (s) Dist‚ y1 (m) Dist‚ y2 (m) Dist‚ y3 (m) Dist‚ y4 (m) Dist‚ y5 (m) <y> σ t2 0 0 0 0 0 0 0.5 1.0 1.4 1.1 1.4 1.5 0.75 2.6 3.2 2.8 2.5 3.1 1.0 4.8 4.4 5.1 4.7 4.8 1.25 8.2 7.9 7.5 8.1 7.4 Procedures From the above data perform the following Tasks. Task 1. Complete
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Extended Experimental Investigation Generating Electricity Physics Teacher: Mr Heagney By: Jesse O’Sullivan Background Information: The history of electrisity leads right back to more than two thousand years ago. Ancient Greeks discovered that rubbing fur on amber caused an attraction between the two. Many electricity-related discoveries had been made by the 17th century‚ including the differentiation between negative and positive currents‚ the classification of matireals as conductors
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