A study of clinical assessment, computerized methods and instrumentation in psychology, containing 18 contributions from the workshop, "Computers in Psychology", held in September 1999 at the University of Utrecht.;The first section of the work contains contributions concerning clinical assessment. Aspects such as short-term memory, spatial memory, counselling skills and play therapy are described, as well as computer-assisted observational analysis using eye blinks. In the second section, a series of computer programs supporting decision-making in psychotherapy and diagnostics, in clinical and other settings, is described. The last section deals with real-time aspects of computers and computer-controlled experimental set-ups.