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n. pl. tri·chot·o·mies
1. Division into three parts or elements.
2. A system based on three parts or elements, especially the theological description of humans as consisting of body, soul, and spirit.

[New Latin trichotomia : Greek trikha, in three parts; see trei- in Indo-European roots + New Latin -tomia, -tomy.]

tri·chot′o·mous adj.
tri·chot′o·mous·ly adv.
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References in periodicals archive ?
Perceptions of competence, implicit theory of ability, perception of motivational climate, and achievement goals; A test of the trichotomous conceptualization of endorsement of achievement motivation in the physical education setting.
Excess weight was regarded as a trichotomous exposure to excess body weight because three categories of exposure were involved: 1) no excess weight, 2) overweight (prevalence EOW), and 3) obesity (prevalence EOB).
Chow considers previous dichotomous interpretations of Christian theology during the First Chinese Enlightenment (Fundamentalist/Modernist or Confucian Activist/Daoist Pietist) to be inadequate, and instead posits a trichotomous interpretation that he adapts from church historian Justo Gonzalez and missiologists Stephen Bevans and Roger Schroeder.
1 (1998), 222-79; Data for parliamentarism is derived from Gerring and Thacker, 2004, where they coded each country's prevailing governmental system based on a trichotomous measure: 1=presidential system, 2=semi-presidential system, and 3=parliamentary system (for missing data I extrapolated the level of parliamentarism by referring to each country's constitution in the panel study and I assessed the strength of parliamentarism from the last two decades).
Because the socioeconomic and emotional impact of losing a parent may differ according to the sex of the parent, we created two trichotomous orphanhood variables--one for each parent--to indicate whether the parent was still alive, had died within the last five years (2001-2006) or had died more than five years earlier (prior to 2001).
It is the soul that is associated most readily with God the Father, given the trichotomous structure of the human being: body, soul, and spirit.
Islamabad -- Self restrain on the part of trichotomous organs of the state ensures the good governance, basic human rights, justice and liberty for the citizen of a society, said Justice (R) Rana Bhagwandas, Former Justice of Supreme Court of Pakistan.
The modified trichotomous framework of goals, cognition, and achievement was used as the theoretical foundation to categorize the cognitive and non-cognitive predictors related to student achievement.
3) The exception is Arzaghi and Henderson (2005), who estimate decentralization in 48 countries at five-year intervals from 1960 to 1995 using dichotomous categories for federal or unitary government structure, election of subnational executives, and central government veto and trichotomous categories for revenue raising, revenue sharing, and three policy areas (primary education, police, and infrastructure).
The use of trichotomous (high/medium/ low) type manipulators could produce more comprehensive sets of data than presently exist (Zenger, Marshall 2000).
Building bridges through trichotomous youth identies in Kenya: Evidence from code choice.
4) Concerning this, we also differ from Flatau and Emrich (2011) where a trichotomous and a continuous success parameter were used.