Experimental research involves comparing two or more conditions. One of those conditions in single subject research is often the baseline. Adequate description of the baseline conditions is necessary for evaluating the effects of independent variables, drawing generalizations from studies, and providing information for subsequent replication…

This paper describes guidelines for reporting findings from studies using single subject methods, an approach from which early intervention has benefited substantially. Guidelines address: the foundations of the study, what was done to whom under what situations, what the data say, and what the findings mean. (Contains references.) (DB)