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How to approach a 21 mark source question

The main way to make sure you are keeping to the question is by referring it to the source. Linking your own knowledge of statistics, studies and theory will show great application skills. Directly quoting t...
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Answered by Isobel W. • Sociology tutor
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Why might official police statistics on crime not be completely reliable?

The fact that official police reported crime statistics may not show the full picture could be down to the 'dark figure of crime'. This is crime that hasn't been reported or found out. This hidden aspect of ...
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Answered by Isobel W. • Sociology tutor
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How do I find how much radioactive material is left after time t if I know its half-life?

To answer this question, all you have to know is that the amount of material as a function of time, M(t), is related to the decay constant, λ, by the equation M(t) = M 0 exp(-tλ), where M 0 is the amount of ...
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Answered by Wilf S. • Physics tutor
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What are the advantages and disadvantages of using postal questionnaires as a research method?

Advantages of using a postal questionnaire include the fact that it is not as time consuming as an interview. Questionnaires can be designed to be quick and easy for the respondant to complete. It can also b...
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Answered by Isobel W. • Sociology tutor
86189 Views

How to analyse the win of Donald Trump in election from the view of communication theory?

the information on main newspapers and websites showed that Hillary would win the election. it seems like the final result was out of all people's expection. but actually the win of Donald Trump represents p...
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