A researcher is investigating the amount of hours children spend on the computer a day. Suggest a suitable research method. Give one advantage and one disadvantage of this method.

The most appropriate method for this topic of research is a questionnaire. This is because questionnaires collect quantitative data, which is what is needed for this research.
As for advantages and disadvantages, a huge advantage of a questionnaire is that it is practical. This is because it is quick and affordable. Furthermore, questionnaires are reliable as they allow the research to be conducted in a standardised manner. One disadvantage of a questionnaire is that the validity of them can be questioned. This is because it is easy for children to lie about the amount of time spent on the computer a day.