Data handling. There are many different ways of collecting data. A common method of collecting data is to use a questionnaire.

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Maths H/W Data Collection

There are many different ways of collecting data. A common method of collecting data is to use a questionnaire. Questionnaires take many forms, and are carried out using a variety of methods. There are four main methods of collecting data which are:

face to face

By phone

By post

Over the internet

There are advantages and disadvantages of using each of these methods. The advantages and disadvantages of face to face are:

Advantages        

You can ask better and more specific answers to get more complex and better results.

The person taking the answers can explain the questions in more detail when necessary.

The person interviewing is likely to be more consistent at recording the responses.

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Disadvantages

This method of interviewing takes a long time and might be expensive than other data collection methods.

The interviewed person is more likely to refuse answering the question or they might lie if they give an answer.

Questionnaires can also include:

yes or no answers

ticking boxes

numbered responses

word responses

questions which require a sentence to be written

Whichever style of question is used, it is important that they are easy to understand, cover every possible answer, are unbiased  and unambiguous.             It is also important that you ensure that they are appropriate ...

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