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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
86473 Views

How do Functionalist and Marxist perceptions of the family differ?

Functionalists view the family and its contribution to society as positive, whereas Marxits see it as a negative institution. Functionalists see the nuclear family as essential for social order. They view it...
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Answered by Isobel W. • Sociology tutor
33541 Views

Can you explain what the flux of a light source is?

The word 'flux' can be used in many different contexts, but in general it refers to the amount of 'stuff' passing through a unit area of space per unit time. In the case of light sources, we can measure flux...
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Answered by Wilf S. • Physics tutor
5191 Views

Why contemporary art is so difficult to understand?

This question started from the concept of 'canvas'. After WW2, artists started to be sceptical about human rationality. And the canvas was the symbol of human's rationality in art area. So artists stop drawi...
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Answered by Kyungmi K. • Art tutor
8479 Views

Why are drug trials needed?

To determine the side effects of taking the drug on humans, to test for toxicity, to determine the correct dosage needed, and to test the effectiveness (efficacy) of the drug.
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Answered by Devna P. • Biology tutor
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