Each quantitative data collection method has unique advantages and disadvantages that may make one more suitable than another given a certain situation.
It’s important to look at your specific project and determine which quantitative survey method provides an appropriate balance of your research objectives, available budget, timing requirements, reliability of the data, etc. For example, while the email method may be economical, if you only have e-mail addresses for 50% of your sample, it will not provide you with complete or reliable results.
The chart below lists considerations when weighing the pros and cons of some common quantitative data collection methods. Online surveys can be conducted in a variety of ways. For these ratings, online and mixed mode online data collection methods involve sending sample members invitation emails that include a link to the questionnaire.
Each method is rated as follows for its ability to meet the listed study requirements: