Internet-based questionnaires are emerging as a source of information for human factors and ergonomics researchers. There are a variety of commercially available tools that can assist researchers in the production of the questionnaire and collection of data. Four commercially available tools for the construction of Internet-based questionnaires were selected and evaluated for their use in human factors research. This product review provides a comparison of relevant features and recommendations on the value and usefulness of"these tools. The authors recommend 2 of the tools, Zoomerang.com and WebSurveyor.com, which offer a broad array of features for questionnaire creation, data collection, and analysis.