Rothgeb et al., 2001Rothgeb, J., Willis, G., Forsyth, B., & others. (2001). Questionnaire pretesting methods: Do different techniques and different organizations produce similar results. In Proceedings of the Annual Meeting of the American Statistical Association (5–9). | Rothgeb, J., Willis, G., Forsyth, B., & others. (2001). Questionnaire pretesting methods: Do different techniques and different organizations produce similar results. In Proceedings of the Annual Meeting of the American Statistical Association (5–9). |