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  2. Belongingness - Wikipedia

    en.wikipedia.org/wiki/Belongingness

    Belongingness is the human emotional need to be an accepted member of a group.Whether it is family, friends, co-workers, a religion, or something else, some people tend to have an 'inherent' desire to belong and be an important part of something greater than themselves.

  3. Interdependence theory - Wikipedia

    en.wikipedia.org/wiki/Interdependence_theory

    Interdependence theory is a social exchange theory that states that interpersonal relationships are defined through interpersonal interdependence, which is "the process by which interacting people influence one another's experiences" [1] (Van Lange & Balliet, 2014, p. 65). The most basic principle of the theory is encapsulated in the equation I ...

  4. Factorial experiment - Wikipedia

    en.wikipedia.org/wiki/Factorial_experiment

    Thus these two vectors belong to the main effect of A. Similarly, the two contrast vectors for B depend only on the level of factor B, namely the second component of "cell", so they belong to the main effect of B. The last four column vectors belong to the A × B interaction, as their entries depend on the values of both factors, and as all ...

  5. Handshaking lemma - Wikipedia

    en.wikipedia.org/wiki/Handshaking_lemma

    By the handshaking lemma, these two positions belong to the same connected component of the graph, and a path from one to the other necessarily passes through the desired meeting point. [ 14 ] The reconstruction conjecture concerns the problem of uniquely determining the structure of a graph from the multiset of subgraphs formed by removing a ...

  6. Optimal distinctiveness theory - Wikipedia

    en.wikipedia.org/wiki/Optimal_distinctiveness_theory

    These two motives are in constant opposition with each other; when there is too much of one motive, the other must increase in order to counterbalance it and vice versa. [2] The theory of optimal distinctiveness was first proposed by Dr. Marilynn B. Brewer in 1991 and extensively reviewed in 2010 by Drs. Geoffrey J. Leonardelli , Cynthia L ...

  7. Need for affiliation - Wikipedia

    en.wikipedia.org/wiki/Need_for_affiliation

    The need for affiliation (N-Affil) is a term which describes a person's need to feel a sense of involvement and "belonging" within a social group.The term was popularized by David McClelland, whose thinking was strongly influenced by the pioneering work of Henry Murray, who first identified underlying psychological human needs and motivational processes in 1938.

  8. Interaction (statistics) - Wikipedia

    en.wikipedia.org/wiki/Interaction_(statistics)

    Interaction effect of education and ideology on concern about sea level rise. In statistics, an interaction may arise when considering the relationship among three or more variables, and describes a situation in which the effect of one causal variable on an outcome depends on the state of a second causal variable (that is, when effects of the two causes are not additive).

  9. 2-satisfiability - Wikipedia

    en.wikipedia.org/wiki/2-satisfiability

    Aspvall, Plass & Tarjan (1979) found a simpler linear time procedure for solving 2-satisfiability instances, based on the notion of strongly connected components from graph theory. [4] Two vertices in a directed graph are said to be strongly connected to each other if there is a directed path from one to the other and vice versa.