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  2. Interpersonal relationship - Wikipedia

    en.wikipedia.org/wiki/Interpersonal_relationship

    Social exchange theory and Rusbult's investment model show that relationship satisfaction is based on three factors: rewards, costs, and comparison levels (Miller, 2012). Rewards refer to any aspects of the partner or relationship that are positive. Conversely, costs are the negative or unpleasant aspects of the partner or their relationship.

  3. Leader–member exchange theory - Wikipedia

    en.wikipedia.org/wiki/Leader–member_exchange...

    The leader–member exchange ( LMX) theory is a relationship-based approach to leadership that focuses on the two-way ( dyadic) relationship between leaders and followers. [1] The latest version (2016) of leader–member exchange theory of leadership development explains the growth of vertical dyadic workplace influence and team performance in ...

  4. Two envelopes problem - Wikipedia

    en.wikipedia.org/wiki/Two_envelopes_problem

    The problem concerns two envelopes, each containing an unknown amount of money. The two envelopes problem, also known as the exchange paradox, is a paradox in probability theory. It is of special interest in decision theory and for the Bayesian interpretation of probability theory. It is a variant of an older problem known as the necktie paradox .

  5. Interpersonal Relationships: How to Maintain Them - Healthline

    www.healthline.com/health/interpersonal...

    One psychologist, George Levinger, identified five stages of interpersonal relationships in a 1980 study. He called this stage theory, which includes: acquaintance. buildup. continuation ...

  6. Emotional Needs: 10 Big Ones in Relationships - Healthline

    www.healthline.com/health/emotional-needs

    Empathy. Prioritization. Connection. Space. Things to keep in mind. Takeaway. Everyone has emotional needs. Consider basic survival needs like water, air, food, and shelter. Meeting these physical ...

  7. Impossible trinity - Wikipedia

    en.wikipedia.org/wiki/Impossible_trinity

    The impossible trinity (also known as the impossible trilemma, the monetary trilemma or the Unholy Trinity) is a concept in international economics and international political economy which states that it is impossible to have all three of the following at the same time: a fixed foreign exchange rate. free capital movement (absence of capital ...

  8. Disease Transmission: Direct Contact vs. Indirect Contact

    www.healthline.com/health/disease-transmission

    Types of direct contact include the following. 1. Person-to-person contact. Infectious diseases are commonly transmitted through direct person-to-person contact. Transmission occurs when a person ...

  9. Heckscher–Ohlin model - Wikipedia

    en.wikipedia.org/wiki/Heckscher–Ohlin_model

    The original H–O model assumed that the only difference between countries was the relative abundances of labour and capital. The original Heckscher–Ohlin model contained two countries, and had two commodities that could be produced. Since there are two (homogeneous) factors of production this model is sometimes called the "2×2×2 model".