• Surveys are useful when we want to study inner states such as attitudes, beliefs, and feelings.
  
  
• Three types of questions are used in survey research: close-ended, partially closed, and open-ended.
  
  
• Survey items should be carefully constructed to be clear, without bias, reflect single issues, and capture the full range of response.
  
  
• We collect data face to face, over the telephone, using the computer, and asking for written responses. Each has its advantages and disadvantages.
  
  
• Careful sampling results in representative samples. Probability sampling strategies are best. Avoid haphazard samples.

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