edgepedia

Social life and human behavior

6,078 articles

Meeting

Meeting: an occasion when people come together, in person or online, to discuss or decide something. Also called gatherings or conferences. Key facts: perceived effectiveness research, hybrid-meeting exclusion gaps, and measured productivity costs of meeting-heavy remote work.

Meg Mathews

Meg Mathews, British former music and fashion PR, ex-wife of Noel Gallagher, Britpop figure turned menopause campaigner via MegsMenopause, #MegsMenopause, and the book The New Hot.

Megan Marshack

Megan Ruth Marshack (1953-2024) was an American journalist and press aide to Nelson Rockefeller, with him when he died of a heart attack on January 26, 1979; her delayed 911 call and silence fueled decades of speculation.

Megan Phelps-Roper

Megan Phelps-Roper (born 1986), granddaughter of Westboro Baptist Church founder Fred Phelps, tweeted for the Topeka church before leaving it in November 2012 with sister Grace; author of Unfollow, TED speaker, producer of The Witch Trials of J.K. Rowling podcast.

Megastudy

A megastudy is a large field experiment comparing many behavioral interventions at once in the same population, introduced by Katherine Milkman and colleagues in Nature in 2021.

Megxit

Megxit is the informal blend of Meghan and exit, by analogy with Brexit, for Prince Harry and Meghan Markle's January 2020 decision to step back as senior British royals, effective March 31, 2020, with HRH styles dropped and £2.4 million repaid.

Mehran Karimi Nasseri (مهران کریمی ناصری)

Mehran Karimi Nasseri (مهران کریمی ناصری), called Sir Alfred, was an Iranian refugee stranded without papers in Paris Charles de Gaulle Airport Terminal 1 from 1988 to 2006, about 18 years, inspiring The Terminal; he died there in 2022.

Meitei people

Meitei people, also Meetei, majority ethnic community of Manipur, northeast India, living in the Imphal Valley, predominantly Hindu Vaiṣṇava, speaking Meiteilon (Manipuri), a Tibeto-Burman lingua franca written in Meitei Mayek and Bengali scripts.

Mel Robbins

Mel Robbins, also known as Melanie Robbins, is an American author, podcast host, and former CNN legal analyst known for the 5 Second Rule and The Let Them Theory.

Melanesians

Melanesians are the indigenous peoples of Melanesia, the western Pacific subregion spanning New Guinea, the Solomon Islands, Vanuatu, New Caledonia, and Fiji. Distinguished by over 1,000 languages in Austronesian and Papuan families, deep genomic diversity, and a contested, race-derived name.

Melanie Klein

Melanie Klein (1882–1960), Austrian-born psychoanalyst in London, pioneer of child analysis and play technique; founder of Kleinian theory: paranoid-schizoid and depressive positions, projective identification.

Melissa Bottema

Melissa Bottema (Miss Grand Netherlands 2023, Miss Nederland 2026) is a Dutch model and gymnastics coach from Winsum, Groningen. Fifth runner-up at Miss Grand International 2023 and the first Dutch woman in its top 10, she competes at Miss Universe in Puerto Rico and advocates against bullying.

Mellah of Fez

The Mellah of Fes is a Jewish quarter founded in 1438 in Fes el-Jdid by the Marinid dynasty. It became a model for other walled quarters in Morocco.

Melting pot

The melting pot is the American assimilation metaphor popularized by Israel Zangwill's 1908 Broadway play, contrasting with the salad bowl or cultural pluralism, and contested in U.S. immigration politics since the 1920s.

Melungeon

Melungeons are mixed-ancestry Appalachian families of European, African, and Native American descent, centered in Hancock and Hawkins Counties, Tennessee; term first documented 1813, self-adopted only from the 1960s.

Memon people

Memon people: a Muslim mercantile community from Sindh and Gujarat (Kutch, Kathiawar), descendants of 15th-century Lohana converts to Islam; speak Memoni, live mainly in Pakistan (Karachi) and India, with a global trading diaspora.

Memorial service of Charlie Kirk

Memorial service of Charlie Kirk, held September 21, 2025 at State Farm Stadium, Glendale, Arizona, after his September 10 assassination; about 40,000 attended, Trump and Vance spoke, Level 1 SEAR security, $2.6 million security cost.

Memory

Memory is the faculty of encoding, storing, and retrieving information, studied through systems including episodic, semantic, working, and procedural memory. Key landmarks: Tulving's 1972 episodic–semantic distinction, Baddeley and Hitch's 1974 working memory model, Milner's patient H.M., and theories of forgetting (decay, interference, inhibition).

Memory-guided saccade task

The memory-guided saccade task is a behavioral paradigm, introduced by Hikosaka and Wurtz in 1983, in which a participant saccades to a remembered target location after a delay.

Men Are from Mars, Women Are from Venus

Men Are from Mars, Women Are from Venus is John Gray's 1992 HarperCollins relationship guide claiming inborn male-female communication differences. It sold over 6.5 million hardcovers by 1998, was a NYT bestseller 140 weeks, and drew scientific criticism.

Men Going Their Own Way

Men Going Their Own Way (MGTOW) is an online male separatist movement in the manosphere whose members reject relationships with women, blame feminism, and favor voluntary celibacy, unlike incels.

Men's rights movement

The men's rights movement (MRM) is an anti-feminist social movement arguing men face legal and social disadvantages, especially in family law. It split from 1970s men's liberation, overlaps with the fathers' rights movement and the manosphere, and includes A Voice For Men, listed by the SPLC as a male supremacist hate group in 2018.

Ménage à trois

Ménage à trois (French, "household of three"): a domestic arrangement in which three people, usually a couple plus a lover, share a household and a romantic or sexual relationship; used in English since 1853, distinct from a one-time threesome.

Mende people

Mende people: West African ethnic group of southern Sierra Leone and Liberia, about 1.5 million people, one-third of Sierra Leone's population; Mande language, Poro and Sande societies, SLPP political base, distinct from the Temne.

Mennonite migrations to the Chaco

The Mennonite migrations to the Chaco brought German-speaking settlers to Paraguay in three waves between 1926 and 1948, founding the colonies Menno, Fernheim, and Neuland.

Mental activity

Mental activity is the mind's ongoing perceiving, thinking, remembering, and language processing. Also called cognition; studied via fMRI, EEG, and behavioral tests; BOLD fMRI measures it only indirectly, and altered spontaneous activity marks psychiatric disorders.

Mental arithmetic task

The mental arithmetic task (MAT) is a laboratory stress paradigm using timed calculation, often subtraction, to elicit measurable physiological and psychological stress responses in experiments.

Mental imagery task

A mental imagery task is an experimental paradigm in cognitive psychology where participants form or manipulate sensory images to measure imagery ability, including mental rotation, image scanning, and vividness questionnaires.

Mental model

Mental model: internal representation of a situation used for reasoning and prediction; proposed by Craik (1943), developed as a theory of deductive reasoning by Johnson-Laird (1980), and applied in HCI and neuroscience.

Mental rotation task

The mental rotation task is a cognitive psychology paradigm in which participants judge whether two rotated shapes are the same object or mirror images, introduced by Shepard and Metzler in 1971.