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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cinema though he may learn 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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ADVANTAGES AND DISADVANTAGES OF ADVERTISEMENTS (comparison and contrast essay) Advertising is presentation of some products by means of television‚ newspaper‚ radio‚ billboards‚ magazines‚ internet and films in order to increase their sales. The main objectives of advertising are; increasing the usage of a certain product‚ creating new customers and increasing brand recognition‚ to obtain feedback from customers regarding a certain product and to indicate introduction of new products. However
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have instant access to great sources of information but they also bring many potential harms to our life. On the positive side ‚computers are of great importance in the following aspects.Firstly ‚we can get all kinds of valuable imformation through the internet in all fields such as maths‚ liturature ‚economy and so on‚ which is so much vital to our study and work.Also‚in this way‚ you can update ourself on the latest events all aroun the world.Another advantage of computers is that:after a hard-working
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Advantages and Disadvantages of the Internet The Internet has developed since the first computer was ever made. It has got better and better now. It’s so common that you will find a computer in every house in your neighborhood. Everyone who owns the computer must be using it because most of the time we need the computer. Although the Internet is important to us and we use it every day‚ there are still many disadvantages of using the Internet. In my essay I will share with you the advantages and
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antenna at the biggest facility for satellite communication in Raisting‚ Bavaria‚ Germany Visualization from the Opte Project of the various routes through a portion of the Internet Telecommunication is the science and practice of transmitting information by electromagnetic means. Communication is talking to someone or thing not necessarily through technological means. Telecommunication‚ however‚ is talking through technology meaning phones‚ Internet‚ radio etc... In earlier times‚ telecommunications
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The advantages and disadvantages a team. A team is formed by two or more than people that they were work together to achieve one mission. A teams members also have a responsibility to attend a meeting‚ make a presentation and also have an effectively communication. Indirectly‚ when we create a team‚ we automatically involve facing with the problems or anything else that happened in a team. It was because; there are many advantages and disadvantages a team. The first advantages a team
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Advantages and Disadvantages of Surrogacy Sofia Emily Parrott Advantages and Disadvantages of Surrogacy Surrogacy‚ according to Balen and Jacobs (1997)‚ is the process where a surrogate mother carries a baby for a couple whose woman lacks the ability to carry one on her own or conceive. This process is performed by arrangements usually by companies that aid the intended couple by helping them pick a suitable candidate as their surrogate and handling all the documentations necessary in order
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technologies without which lots of people cannot imagine their lives have some advantages as well as disadvantages. To begin with‚ I would like to comment on the advantages. So firstly‚ computer gives you the opportunity to access a lot of information about everything not to mention the fact that you can store large amounts of information on the computer in a database. One computer disk can hold the same amount of information as several books. And don’t forget about the fact that computers can do some
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could be applied in the sense that there are real short and long-term effects from binge-drinking. However‚ a disadvantage of this appeal is it is easy for students to think that facts don’t apply to them and that somehow they’re an exception to these consequences. Ethos would be the worse received as the audience is not likely to take the appeal of credibility very seriously. An advantage of Ethos is that you could manipulate the use of words in a way that would make them think more
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