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Psychology is the scientific study of mind and behavior. [1] [2] Its subject matter includes the behavior of humans and nonhumans, both conscious and unconscious phenomena, and mental processes such as thoughts, feelings, and motives. Psychology is an academic discipline of immense scope, crossing the boundaries between the natural and social ...
About 2.2–3.4% of those who have been treated for alcoholism at some point in their life die by suicide. [75] Alcoholics who attempt suicide are usually male, older, and have tried to take their own lives in the past. [74] In adolescents who misuse alcohol, neurological and psychological dysfunctions may contribute to the increased risk of ...
Machiavellianism is one of the traits in the dark triad model, along with psychopathy and narcissism. In the field of personality psychology, Machiavellianism (sometimes abbreviated as MACH) is the name of a personality trait construct characterized by interpersonal manipulation, indifference to morality, lack of empathy, and a calculated focus on self-interest.
Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [2] and released to the public in January 2007. [3] Quizlet's primary products include digital flash cards, matching games, practice electronic assessments, and live quizzes. In 2017, 1 in 2 high school students used Quizlet. [4]
Endorphins (contracted from endogenous morphine) [1] [2] [3] are peptides produced in the brain that block the perception of pain and increase feelings of wellbeing. They are produced and stored in the pituitary gland of the brain.
The most recent edition of the Sixteen Personality Factor Questionnaire (16PF), released in 1993, is the fifth edition (16PF5e) of the original instrument. [25] [26] The self-report instrument was first published in 1949; the second and third editions were published in 1956 and 1962, respectively; and the five alternative forms of the fourth edition were released between 1967 and 1969.
Globally, excessive alcohol consumption is the seventh leading risk factor for both death and the burden of disease and injury, [4] representing 5.1% of the total global burden of disease and injury, measured in disability-adjusted life years (DALYs). [5] After tobacco, alcohol accounts for a higher burden of disease than any other drug.
Psychological abuse, often known as emotional abuse or mental abuse or psychological violence or non-physical abuse, is a form of abuse characterized by a person subjecting or exposing another person to a behavior that may result in psychological trauma, including anxiety, chronic depression, clinical depression or post-traumatic stress disorder amongst other psychological problems.