historical control group

a control group whose participants are selected to be similar to those in the treatment group on the basis of data collected some time in the past.

Browse dictionary by letter

a b c d e f g h i j k l m n o p q r s t u v w x y z

Psychology term of the day

May 8th 2024

morula

n. an early stage of embryological development, extending from the first cleavage of the zygote until the blastula is formed by further divisions of daughter cells.