A small scale investigation into the factors influencing the conceptual change in children’s scientific thinking Abstract The present study aims to compare how Piaget and Vygotsky theories promote conceptual change in children’s scientific thinking. The investigation is an adaptation of a procedure used in 1930 by Piaget and compares two children’s predictions and explanations of why some objects float or sink. Children’s thinking is then challenged using discovery learning and scaffolding
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How do the economies of scale affect break-even analysis? In the video on leverage‚ leverage is compared to a fulcrum in that you need just the right balance of leverage. That would seem to indicate that there is a point where the leverage is just right and that too little leverage may be just as harmful as too much leverage. Do you think this is true? The book discusses the difference between efficiency and effectiveness. Which one do you think is the most important in business and why? Answers:
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Advantages and Disadvantages of information technology in Business Advantages: Increases production and saves time: Business use technology to automate tasks. A good example is a bakery which uses automated temperature censors to detect any drop or increase in room temperature in a bakery. These censors will send information directly to the operator and report any temperature change. This saves the bakery time and it also results into quality products. Improves communication through communication
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TNCs growing most rapidly in the 1960s the foundations were laid in the inter-war period‚ notable examples being that of Ford‚ Phillips and Vauxhall. Around 90% of TNCs are based in MEDCs. I will discuss social‚ economic and environmental advantages and disadvantages of TNCs. There is a number of benefits in which TNCs create economically‚ one of the most significant benefit is infrastructure development that is created due to the demands and requirements of the TNCs. This can include the building
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The advantages and disadvantages of communications technology. The mobile phone has many advantages and disadvantages. It is easy to contact friends and family. Since the first mobile was created we have been able to make calls to anywhere in the world by the click of a button. You are able to get in touch with people nearly 24/7. You have access to constant internet. Having the internet at your finger tips any time you need it has many advantages. Need to find out want time a movie is on in the
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weaknesses. Then I compared exporting with other market entry strategies‚ so I could gain further insight to advantages and disadvantages of exporting. In the conclusion I outline which types of exporting fit SME’s and which fit MNE’s. Low cost exporting (“AT THE GATE” SELLING‚ EXPORT HOUSES‚ PIGGYBACKING‚ AGENTS‚ DISTRIBUTORS‚ FRANCHISES) Advantages Low cost exporting requires only a small direct investment‚ if any. It usually carries low risks of financial loss and companies can increase their
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ADVANTAGES & DISADVANTAGES OF TOURISM Advantages 1. Tourism provides foreign exchange (US dollars) which allows: i) The government to pay bills such as: a) Allows government to pay foreign debt. b) Allows the Bahamian dollar to stay on par with the US dollar. c) Allows government to pay the thousands of persons employed in government their monthly salaries. d) Allows government to have money to do road works‚ school construction and all other governmental works. ii) Allows Bahamians
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One of the main disadvantages was the fact that they did not have all the factories to make their weapons and supplies. Though they would have the farms to produce food for their men‚ they did not have enough railroads to transfer all the food to their men. Another huge factor and disadvantage to the North was that the South lacked the numbers to the North. The North would have almost and unlimited number
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comparative advantage are less valuable than initially perceived for the development of a strong‚ competitive economy. The new type of development is one that involves the whole market and all institutions in the economy. Productivity is that component which creates a competitive advantage rather than a comparative advantage; the latter only addresses only the supply side of the market system and ignores demand‚ historical chance and the role of government. Indeed‚ the model of competitive advantage addresses
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for full credit. I’ve added some guidance below that should help if you don’t know how to approach this. 1. How does RFID compare to bar-coding? By searching the Internet‚ summarize the advantages and disadvantages of RFID systems. Did you find any RFID applications for services? Advantages • RFID tags don’t need to be positioned in the line of sight with the scanter but barcodes do • RFID tags can be read at a faster rate than barcodes; as approximately 40 RFID tages can be read
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