Sierro C, Leslie W, Putois B. Long-term effects of treatment for chronic nightmares: is imagery rehearsal therapy robust in the COVID-19 pandemic? J Clin Sleep Med. 2020;16(11):1993.
In order to ensure robust relationships between the dependent and independent variables in clinical dream/nightmare studies, the major factors which influence the frequency of reported dreams must be controlled. This article sets out methodological recommendations to both researchers seeking to ensure the equivalence of experimental groups of participants in group-matching designs, and to...