Strengths: 优势

Weaknesses 弱点：

Many people can be tested quickly. It is easy to generate quantitative data and easy to analyse.许多人可以快速接受测试。容易产生定量数据，容易分析。

Social desirability - people say what they think looks good.社会期望性--人们说他们认为好看的东西。

Used to collect large amounts of data about what people think as well as what they do!用于收集关于人们的想法以及他们的行为的大量数据!

People may not tell the truth, especially on sensitive issues.人们可能不说实话，特别是在敏感问题上。

Convenient - researcher does not need to be present as answers can be mailed so respondent has time to consider answers.方便--研究者不需要在场，因为答案可以邮寄，所以回答者有时间考虑答案。

If researcher is present then this may affect answers. Also, postal surveys may have low response rate.如果研究人员在场，可能会影响答案。另外，邮递调查的回复率可能很低。

Can quickly show changes in attitudes or behaviour before and after specific events.可以迅速显示特定事件前后的态度或行为的变化。

Difficult to phrase questions clearly, you may obtain different interpretations of questions.难以清楚地表述问题，你可能得到对问题的不同解释。

Strengths 优势：

Weaknesses 弱点：

Detailed information can be obtained and avoids oversimplifying complex issues.可以获得详细的信息，避免将复杂的问题过度简化。

Difficult to analyse if unstructured and qualitative in nature.如果是非结构性的和定性的，则难以分析。

Greater attention to inpidual's point of view this is important in clinical psychology.更加关注个人的观点，这在临床心理学中很重要。

Time-consuming, expensive.费时、费钱。

Unstructured, casual interviews may encourage openness in answers.非结构化的、随意的访谈可以鼓励开放性的回答。

Possible interviewer effects. For example, people affected by attractiveness of interviewer!可能的采访者效应。例如，人们受到采访者吸引力的影响。