Advantages and disadvantages of sampling methods Type Description Advantages Disadvantages Stratified This requires one to be bias towards their data. For example‚ if you knew the proportion of pensioners in an area was 30% and you wanted to represent this in your sample you would ensure that pensioners’ answers only made up 30% of your sample. It can be used with random or systematic sampling‚ and with point‚ line or area techniques If the proportions of the sub-sets are known‚ it can generate
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find them useful. best wish‚ It is evident that the use of mobile phones (or has both positive and negative impacts)/ brings us many problems as well as benefits‚ and thus there is an opinion that the demerits/disadvantages brought by a mobile phone prevail over the merits/advantages. Personally‚ I disagree with this view (ambiguous‚ i am not clear what view you disagree with‚ the first sentence should be separated into two small ones.). On the one hand‚ a mobile phones poses have some negative
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The costs of international travel are decreasing and tourism is growing. What are the advantages and disadvantages of increasing tourism activity in different countries? Nowadays more and more people are becoming aware of the decrease in the expenses of travelling and hence tourism is booming. Although many may see this as a positive phenomenon‚ it is not a trend without drawbacks. Both the pros and cons of the rapidly growing tourism activity will be discussed in this essay. It is
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Wheatstone and Samuel Morse (telegraph)‚ Alexander Graham Bell (telephone)‚ Edwin Armstrong‚ and Lee de Forest (radio)‚ as well as John Logie Baird and Philo Farnsworth (television). Telecommunication‚ Technology & Media We understand your business The telecommunication‚ technology and media industries are experiencing new challenges and opportunities. Telecom equipment and services‚ consumer electronics‚ software and IT services‚ mobility solutions‚ and also
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view. Disadvantages of academic resources are the information could be outdated‚ certain areas maybe too brief‚ certain words may be too complicated or hard to understand. The advantages of government websites/reports are that it is information centred on a particular borough can be easily isolated‚ it is easily accessible‚ and it is fairly reliable as it is government information‚ contains current and past information so possible to compare rates and declines in certain areas. Disadvantages are they
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Advantages and disadvantages of television viewing In this new era of science and technology‚ we have incorporated technology into our everyday lives. In fact‚ we cannot live without electrical appliances that we call necessities and the television is one of them.Much has changed since the first television was invented - from black and white to colour televisions. For some‚ the television is a window to the modern world. By viewing the programmes that are aired on television‚ we can gain a lot
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Conversely‚ CBT may not be as effective as other therapies. These disadvantages may determine whether this intervention should be used for patients suffering from depression. The therapist can only help and recommend‚ therefore the client alone needs to commit to the therapy in order to improve. CBT is very time consuming‚ as there may be additional work the therapist has set out for the client. Even though structure‚ is an advantage to CBT it may not be suitable for people who are dealing with complex
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nothing from his teacher or his books. Such is the effect of the film‚ and in many countries‚ educational authorities are trying to make the best use of the cinema to spread knowledge and information. It is therefore clear that the cinema has many advantages as well
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and poor white men migrated from the North to the South in the search for jobs and opportunities. Depending on a person’s status‚ race or color‚ many were benefiting from the reconstruction and many were at the disadvantage. African Americans who were former slaves were at the disadvantages. They struggle because of Lincoln’s assassination‚ the KKK and the Black Codes. To start‚ when the thirteenth Amendment was passed on January 31‚ 1865‚ many African American slaves were free. The fourteenth amendment
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Some advantage of bureaucracy: -Clear division of work with boundaries to responsibilities. -Formal (written) rules and procedures resulting in predictability and reutilization. -A well-defined hierarchy of authority. -Appointments to posts based on technical competence. -Formal (written) documentation of actions and decisions. -Bureaucratic control’ system is a strategic was based around internal labor market and the winning of employee commitment through the prospect of long
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