Meaning of the words.

Group Dynamics is a system of behaviors and psychological processes occurring within a social group (intragroup dynamics), or between social groups (intergroup dynamics). The study of group dynamics can be useful in understanding decision-making behavior, tracking the spread of diseases in society, creating effective therapy techniques, and following the emergence and popularity of new ideas and technologies.

These applications of the field are studied in psychology, sociology, anthropology, political science, epidemiology, education, social work, business and managerial studies, as well as communication studies.

Perception is the process of taking in, picking, organizing, and understanding sensory information. It includes colleting data from sense organs and interpreting it in the brain.

Mood episode , this is another serious version of bipolar disorder. During a mood episode, a person can hallucinate or have delusional beliefs. These are features of psychosis. An example of a hallucination is hearing someone talk to you when there is no one there.

Psychosis is condition that affects the way your brain processes information. It causes you to lose touch with reality. You might see, hear, or believe things that aren't real. Psychosis is a symptom, not an illness. A mental or physical illness, substance abuse, or extreme stress or trauma can cause it.

Trauma is the response to a deeply distressing or disturbing event that overwhelms (upset) an individual's ability to cope (oppose/face), causes feelings of helplessness, diminishes (reduce) their scenes of self and their ability to feel a full range of emotions and experiences.  

Emotional overwhelm is a state of being beset (having a lot of trouble with something) by intense emotion that is difficult to manage. It can affect your ability to think and act rationally. It could also prevent you from performing daily tasks. Emotional overwhelm may caused by stress, traumatic life experiences, relationship issues, and much more.

Emotional lability is a neurological condition that causes incontrollable laughing or crying, often at inappropriate times. It tends to affect people with preexisting neurological conditions or injuries. It has many other names: pseudobulbar affect, pathological laughing and crying, emotionalism, emotional incontinence, involuntary emotional expression disorder, affective instability, affective intensity, affective lability, emotional impulsivity, emotional instability, mood instability and mood lability.

Family dispute / Family conflict refers to active opposition between family members. Because of the nature of family relationships, it can take a wide variety of forms, including verbal, physical, sexual, financial, or psychological. Conflicts may involve different combinations of family members: it can be conflict within the couple or between parents and children or, again, between siblings.

Psychosis: condition of the mind that involves a loss of contact with reality.

Gaslighting: Form of psychological abuse.

Goldwater rule: Rule governing how psychiatrists may give opinions on public figures.

Rosenhan experiment: Experiment to determine the validity of psychiatric diagnosis.

Reactivity is a phenomenon that occurs when individuals alter their performance or behavior due to the awareness that they are being observed. The change may be positive or negative, and depends on the situation. It is a significant threat to research study's external validity and is typically controlled for using blind experiment designs.

Blinded experiment : In a blind or blinded experiment, information which influence the participants of the experiment is withheld until after the experiment is complete.

Norms are concepts of practical import, oriented to effecting an action, rather than conceptual abstractions that describe, explain, and express.

Internal validity is the extent to which a piece of evidence supports a claim about cause and effect, within the context of a particular study.

Physical attribute (PE) , physical  qualities, actions, or things are connected with a person's body, rather than with their mind.