Read the following passage and answer the questions. A recent sociological study looked at teenagers’ attitudes to marriage. The primary method used was questionnaires. Over 1000 teenagers answered questions on the subjects of marriage and their futures.

Describe what is meant by a primary method. (2)

Explain two advantages of using questionnaires for this research. (4)

2. Discuss the strengths and weaknesses of observation as a method of research. (12)

You should explore at least two strengths and two weaknesses in your response.