psychol the process whereby the first few items on a list are learnt more rapidly than the middle items
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use primary effect in a sentence
The primary effect of sin has ever been to separate man from God.Bible Emblems | Edward E. Seelye
The primary effect of alcohol is upon this organ, through its influence upon the nervous system.Insanity | Henry Putnam Stearns
The inhibitory action upon the nervous organs is the primary effect.Insomnia; and Other Disorders of Sleep | Henry M. Lyman
In fevers the primary effect of cold is similar in character.
Its primary effect is to cause a more rapid flow of thought.Insanity | Henry Putnam Stearns