Glossary I

Intuition refers to quick, impulsive thought that does not make use of formal logic or clear reasoning. In Descartes's philosophy , Intuition is the introspective process by which clear and distinct ideas are discovered.

Intuitionism is a term in fuzzy-trace theory , the tendency of people to prefer to think, reason, and remember by processing inexact. Fuzzy memory representations rather than working logically from exact, verbatim representations.
Intuitive scientists refer to untrained scientists who try to make causal judgments in a rational, scientific manner

Intuitive thought refers to thinking that makes little or no use of reasoning and logic. Intuitive thought is Piaget’s term for reasoning that is dominated by appearances (or perceptual characteristics of objects and events) rather than by rational thought processe

Intuitive versus instrumental grieving refers to Martin and Doka's terms used to contrast two (2) extremes in a spectrum of grieving styles; (1) Intuitive emphasizes experiencing and expressing emotion , and (2) Instrumental focuses on practical matters and problem solving; formerly, these might have been contrasted as "feminine” (or "conventional”) versus "masculine” styles, but the point to note is that this is essentially a matter of style, not gender .

Invalidity in the context of psychology refers to a state of being perceived or feeling invalidated, where an individual's thoughts, emotions, or experiences are dismissed, ignored, or belittled by themselves or others. It can have detrimental effects on mental well-being, self-esteem, and relationships. Invalidity often arises from a lack of validation or empathy, and it is crucial to understand and address this phenomenon for the sake of emotional health and healthy interpersonal interactions. In this article, we will explore the concept of invalidity in psychology, provide examples, discuss risks and application areas, offer recommendations for dealing with invalidation, briefly touch on historical and legal aspects, and conclude with a list of similar psychological concepts.

Invariance hypothesis refers to the theory that holds that the left hemisphere of the brain has the adult specialization for language from birth.

Invariant developmental sequence refers to a series of developments that occur in one particular order because each development in the sequence is a prerequisite for the next.