Contents: Introduction: The Scientific process and promoting informed practice -- A Practice-research analog: Part one, the process of practice -- A Practice-research analog: Part two, the process of research -- Practice questions, accountability and research functions for practitioners in human service -- The Library and its resources -- Accessing special sources of available information -- Instrumentation and data collection methods -- Achieving precision in practice: collecting and ordering information -- The Visual presentation of data -- Describing and computing the associations of variables in practice -- Group designs: A Program evaluation exemplar -- Practitioner assessment: single case methods -- Making Inferences: Samples, probaility, and testing -- Testing the significance of difference in practice -- Preparing a report in the human service context -- Difficulties in operanalizing informed practice: The human elements -- Appendices.