Glossary K

Knowledge-based view of concepts is the idea that concepts function in relation to their instances as a scientific theory does to data supporting it.

Knowledge-transforming strategy means deciding what information to include and how best to organize it to convey a point

Known-group validity refers to a form of validity in which test scores from two (2) contrasting groups "known" to differ on a construct are compared.
Köhler effect refers to an increase in performance by groups working on conjunctive tasks that require persistence but little coordination of effort and is likely due to the increased effort expended by the less capable members.

Koniocellular neurons refer to ganglion cells located throughout the retina

Koran refers to the holy book of Islam. Koran is also spelled Quran or Qur’an.

Korsakoff psychosis refers to an amnestic disorder caused by damage to the thalamus as a result of chronic, heavy alcohol use.

Korsakoff's syndrome refers to a permanent form of Dementia associated with long-term alcohol use in which the person develops retrograde and anterograde amnesia, leading to an inability to remember recent events or learn new information.