GCSE Science – Investigative Skills Assignment – Marking Guidelines Chemistry 1.2 – Viscosity of Oils For submission in May 2007 or May 2008 Please mark in red ink‚ and use one tick for one mark. Subtotals for each part of each question should be written in the right hand margin. Please add annotations where necessary to explain why marks have or have not been awarded. Enter the marks for Section 1 and Section 2 and the total mark on the front cover of the answer booklet. The teacher must sign and
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i.e. different measurements for samples. Our sources of error could have included eye measurement error‚ timing of set solutions error‚ measurement errors‚ and small calculation errors. Among other variables‚ the calibration of the analytical balance and spectrophotometer could have been off slightly‚ yet our results‚ like most other groups‚ still followed the general trend line generated by the graph using Beer’s Law. The measurement errors could have occurred due to the fact that one partner’s perspective
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when completing a task and that often leads me to over think small errors I may make. I perceive these small errors as greater flaws in my mind‚ and will not declare a task complete until it is perfect. I have learned to use this to my advantage by never making the same mistake twice through my critical thinking process. 2. When I make mistakes I tend to over-think my error. My potentially small error turns into a bigger error mentally than it actually is‚ which causes me to think about the problem
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everyone eyes on it because of the high accidental rates in recent years. The high accidental rates might be lead by the human errors‚ which are including the person approach and the system approach(Reason‚ 2000). However‚ there are some causation models‚ such as James Reason’s model‚ which known as the Swiss Cheese Model‚ provides ascent to quite distinct philosophies of error management(Reason‚ 2000). Besides‚ there are some assets are found by the comparison among the Reason model and other models
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information is lacking since there are no formal procedures installed that monitor his actions. Further‚ the management of the firm has never received any training in giving constructive feedback and in avoiding common errors‚ such as the error of central tendency or the contrast error. This is probably the reason why the company’s feedback culture is extremely passive‚ or even non-existing. Clearly Peter’s direct supervisors are reluctant to talk to him directly about his insufficient performance and
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also for data storage and accessing. Problems Encountered in Library System (MANUAL) o Data duplication can be occurred. o Lack of security. o Lack of storage common errors. o Too much paper wastage. o Poor Data Storage - All the data is stored in filing cabinets. Data could be misplaced due to human error. Data could be stolen very easily. o Slow Retrieval of Data - The information is stored in different parts and takes a long time to retrieve the data. o In a manual library system
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Lattice Diagram changes significantly so the voltages values also change according to that. In manual calculation method of over voltages (Bewley Lattice Diagram)‚ human errors can be occurred. And once there is an error occurred it will effect to the subsequent results also. But in PSCAD simulation process the effect from human errors are very minimum Using of Bewley Lattice Diagram is getting significantly complex when the numbers of substations are increase. So due to complexity‚ it is very difficult
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for data errors are as follows spell check‚ removing duplications and I verify are data‚ which means I have accurate and consistent data. Spell Check keeps us from having missed spelt words in are data records which makes everything that little bit easier. An example of verifying are data is our address look up‚ this is use to make sure we have the correct address lines instead of lines that aren’t needed or if an applicant didn’t right down their full address/ made a mistake. As for error messages
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repeating the same thing over and over. · Lack of security · Lack of storage common errors. · Too much paper wastage.Paper takes up a massive amount of room in the site. If a computer system was bought the paper could all go and there would lots more free space which could be used for other purposes. · Poor Data Storage - All the data is stored in filing cabinets. Data could be misplaced due to human error. Data could be stolen very easily. · Unavailability of Information · Slow Retrieval of
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the reader about the lab using the following sections: Intent: State the reasons why the lab was done. (The goal was to verify a physical law‚ or to determine a constant‚ etc) Results: State or show the result and the margin of error. No calculations are shown here‚ only the final result is reported. For multiple results a table is a good way to organize them. The actual lab report begins here: 3. Theory This section contains a brief description of the theory and equations
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