evaluative standards like reliability and validity. Alongside the research work here describes the various phases in a selection process and a case study which help understand how reliability and validity can be examined and achieved over the entire selection process. Validity Validity in general is “the accuracy in measurement and it must measure what it purports to measure” (Cooper‚ Robertson and Tinline‚ 2003‚ pp 49) Different types of validity can be considered as per the research
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What is truth in photography? Answer this question with reference to two photographers studied in this subject. What is truth in photography? Common sense suggests to us that there is a found link between photographic images and truth‚ this topic has been constantly debated over the last several decades and whilst photography has the potential to tell the truth‚ photographs can also be seen as a distortion of what is real and logical; and with the advent of Photoshop as well as other digital manipulation
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trial balance can be ‘in balance’ and still have errors‚ give examples of the type of errors that can occur leaving the trial balance in balance. For example‚ if $523 is the correct amount to be entered for both credit and debit side but entered $532‚ trial balance will show the same amounts for both debit and credit side but contains error. In addition‚ reverse entries can cause trial balance to be in balance but still contains error. For example‚ instead of recording debit side $100 for cash
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"To accept anything as true means to incur the risk of error. If I limit myself to knowledge that I consider true beyond doubt‚ I minimize the risk of error‚ but at the same time I maximize the risk of missing out on what may be the subtlest‚ most important‚ and most rewarding things in life". That was on page three of E.F. Schumacher’s A Guide for the Perplexed. It was included on the third page on the text because it is one of the most important reoccurring themes throughout the book. Schumacher
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speaker‚ I often make written grammar errors comparable to Folse (2009)‚ “20 common errors made by native speakers” (p. 39). Therefore‚ when tasked with distinguishing native speakers and “ELL grammar errors” quiz (p. 4)‚ I completely missed the possessive “students’” in number 10. On the other hand‚ I was able to detect ELL grammar errors contributing this success to my frequent interaction with immigrant populations. The most apparent being word order errors. Receiving a low score in the “ELL grammar
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1. What is external validity? a. External validity is the extent to which findings may be generalized. (Page 292) 2. Why should a researcher be concerned about generalizing to other populations? a. Researchers should be concerned about generalizing to other populations‚ because if their research is not generalizable then their findings will be limited to only one population and will not have a far-reaching effect. (Page 292) 3. How can the fact that most studies are conducted with college students
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What Are Some Economic Challenges and Opportunities of Globalization? Have you ever wondered what life would be like without electronics‚ transportation and no communication whatsoever to any other countries? Simple examples (like the ones previously stated) have had a great impact on today’s society‚ and have caused drastic changes in economies all over the world throughout the past few decades. Four reasons why Canadian economy has been affected by globalization are: the World Trade Organization
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What exactly is the truth? Is it reality‚ sincerity‚ integrity? Is it accuracy and honesty? How can we tell the difference between the truth and lies? Why does the media have the power to decide for us what is true? As Oscar Wilde once said ’The truth is rarely pure and never simple’. This statement sums up the difficulties of telling the truth‚ and this is furthermore shown in Rob Sitch et al’s Frontline‚ Lies by Michael Leunig and the poem Nothing to Report by May Herschel Clarke. The television
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to ensure that the provider is properly reimbursed for their services. In the pursuit of this goal‚ errors‚ both human and electronic‚ are unfortunately unavoidable. Since the process of medical billing involves two incredibly important elements (namely‚ health and money)‚ it’s important to reduce as many of these errors as possible.” (para 1). Thus‚ it can assist with prevention of simple errors like incorrect patient information‚ incorrect coding‚ incorrect provider information‚ mismatched medical
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Based off the results from this lab the student was able to determine and have an overall better understanding of the variables that affect the rate of photosynthesis in a plant. The first variable the student tested in the lab was 30cm of light with CO2 present. The student started this trial with all 10-leaf disks and timed how many leaf disks came up every minute for 15 minutes. One minute into the trial and the student recorded that no leaf disks had yet to rise to the top of the solution. At
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