Find over 25,000 psychological definitions


concrete operationalperiod

In Piaget's stages of cognitive development, a periodbetween ages seven and eleven during which children gain abetter understanding of mental operations. Children beginthinking logically about concrete events, but havedifficulty understanding abstract or hypothetical concepts.

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

September 20th 2021

cross tolerance

this phenomenon arises in some drug categories, such as theopiates (heroin, morphine etc) and tryptamines (LSD,mescaline and psilocybin) when the prolonged use of one drugin the group results in the development of tolerance to theothers opioids.