A design in research where participants are classified into groups on the basis of an experimenter controlled variable. Participants within each group are then randomly assigned to one of the treatment groups.
Cite this page: N., Pam M.S., "RANDOMIZED BLOCK DESIGN," in PsychologyDictionary.org, April 28, 2013, https://psychologydictionary.org/randomized-block-design/ (accessed January 23, 2021).