A self-instructional book covers ten steps toward development of a behavior observation system. Units describe how to interpret graphs, convert information from table to graph form, put collected data into a table, compute the reliability of observational data, make observations with four recording methods, construct an observational system, choose the proper recording method, develop a complete observational system, make an operational definition of a behavior, and develop a complete observational system including the behavior. The four recording methods of interval, instantaneous time sampling, duration and tally method are explained, with instructions of how to determine when to use each. A reading list is appended, along with a pre- and posttest questionnaire. (SK)