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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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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It is true that the internet has made it possible for us to do a lot of things easily; it has a lot of advantages as well as disadvantages to name some of the advantages the internet provides us with unlimited communication and information everything we need to look that can be done just by one click away on the internet. You can even keep in touch with your friends‚ share thoughts with
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Role of the public & private sector of tourism development * Public sector has an influence in tourism business. It is essential to outline the main policy instruments used by governments in order to manage tourism. * Public bodies influence tourism sector either directly‚ through organization with responsibility for tourism‚ which include: establishment of infrastructure‚ information services and creation of tourist attractions and facilities. Or‚ indirectly‚ through foreign policies
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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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yet‚ and also it will make them to become more lazy and lazy students. Therefore‚ college instructors tend to assign homework more rarely because there are both advantages and disadvantages of giving homework assignments to the students. There are some advantages of giving homework to the students. These are three of those advantages. First‚ homework builds up an initiative for students. They will initiate to study if they have homework from teachers and indirectly they will be accustomed in
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isolated bacteria were named initially as Bacillus bifidus communis‚ which was later renamed to the genus Bifidobacterium. He observed that Bifidobacteria is the dominant in the gut microflora of breast fed infants and also he observed the clinical advantages in using Bifidobacteria in treating infant diarrhoea. Alfred Nissle‚ German professor‚ during an outbreak of shigellosis in 1917‚ isolated a strain of Escherichia coli from faeces of a soldier who was not infected by the disease‚ antibiotics were
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wondered what would happen if Internet didn’t exist in this world ? Explanation Internet is now commonly used by people all ages all over the globe. It has various functions that benefit human beings from communication to entertainment. Reasons Advantages receive and find the latest information online Purchasing newspapers and magazines won’t be necessary anymore because all the most recent news will show up in front of our eyes with just a single click. Completing projects and assignments would
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Contents 1 Definition of Franchising 2 Businesses for which franchising works best 3 Advantages 4 Disadvantages Definition of Franchising Franchising refers to the method of practicing and using another persons philosophy of business. The "franchisor" authorizes the proven methods and trademarks of his business to the "franchisee" for a fee and a percentage of gross monthly sales. Various tangibles and intangibles such as national or international advertising‚ training‚ and other support
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