4.2: Radomized Block Design - Statistics LibreTexts
https://stats.libretexts.org/Courses/Kansas_State_University/EDCEP_917%3A_Experimental_Design_(Yang)/04%3A_Between-Subjects_Design_with_a_Control_Variable/4.02%3A_New_Page
WEBJan 3, 2023 · This control variable is called a blocking variable in the randomized block design. The purpose of the randomized block design is to form groups that are homogeneous on the blocking variable, and thus can be compared with each other based on the independent variable.
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