Research Design (General)
- Creswell, J.W. Research Design: Qualitative, Quantiative and Mixed Methods Approaches, Fourth Edition, Sage Publications, 2013.
- Martin, D. Doing Experiments in Psychology, Wadsworth, 2004. (All about research designs that include experiments.)
Mixed Methods (Specific)
- Journal of Mixed Methods Research
Interaction Design and Evaluation (General)
- Preece, Rogers and Sharp, Interaction Design: Beyond Human-Computer Interaction, John Wiley & Sons, 2002.
- Stone, Jarrett, Woodroffe, Minocha, User Interface Design and Evaluation, Open University, MK, 2005.
- Dix, Finlay, Abowd and Beale, Human Computer Interaction, 3rd Edition.
Usability Testing
- Rubin, Jeffrey, Handbook of Usability Testing: How to Plan, Design, and Conduct Effective Tests. Wiley, 1994. [electronic resource in library]
Controlled Experiments
- Phillips, How To Think About Statistics, any edition.
- Martin, D. Doing Experiments in Psychology, Wadsworth, 2004. (All about research designs that include experiments.)
Observing Users
- Kuniavsky, Observing the User Experience, MK, 2003.