A personality test built on the basis of eight drive needs, each corresponding to a collective archetype of instinctive action.

A chemical test for the presence of carbohydrates, based on the dehydration of the carbohydrate by sulfuric acid or hydrochloric acid to produce an aldehyde, which condenses with two molecules of phenol to produce a red or purple compound.

The psychotherapeutic technique of reflecting on the objective or real world and one's relationship to it, so as to distinguish the internal world of thoughts and feelings from the external world.

(animation) An early version of an animated scene, consisting of rough sketches that are photographed or scanned.

A diagnostic test for vesicointestinal fistulae, based on observation of a urine sample after a barium enema.

A test to determine whether a non-human animal possesses the ability of self-recognition, carried out by introducing the animal to a mirror, painting a mark on the animal, and observing whether it touches the mark on its own body after seeing it in the mirror image.

A test of the bursting strength of corrugated board under pressure.

A vision test using a Snellen chart.

A screening test done on newborns, involving the collection of blood from a pinprick puncture in the heel.

An informal survey that assesses the participant's supposed degree of innocence in worldly matters, such as sex, drugs, and deceit.