Advising on research methods: Selected topics 2011 results from a research master course Methodological Advice that was given at the University of Amsterdam, fall 2011 by Don Mellenbergh and Herman Adèr. The participants made the following contributions to the book: Anja Sommavilla and Corinne Brenner discuss the pathway of going from a substantive research question to a statistical model. They show how a substantive question is transformed into a graphical representation, and how this representation in turn is transformed into a statistical model. Corinne Brenner and Charlotte Gaasterland discuss Internet sampling methods. They describe advantages and disadvantages of Internet sampling, and they mention payoffs of this data collection method. César-Reyer Vroom and Daniel Bannan discuss Computerized Adaptive Testing (CAT). They give an introduction into Item Response Theory (IRT), and they describe how IRT models are applied in CAT.Daniel Bannan and César-Reyer Vroom discuss stepwise model selection methods in regression analysis. They identify pitfalls of stepwise model selection, and they mention methods to avoid them. Charlotte Gaasterland and Mattis van den Bergh give an introduction into survival analysis. They describe the situations where survival analysis can be applied, and they explain how it can be implemented in SPSS. Mattis van den Bergh and Anja Sommavilla discuss mixed methods designs that combine quantitative and qualitative research methods. They give reasons for the use of mixed methods designs, and they describe different types of these designs.