Glossary T

Third variable problem refers to the possibility that variables not measured in a study are the real cause of the relationship between the variables measured in the study; not knowing from a correlational observation whether a change in one variable caused a change in a second variable or whether a third variable caused a change in both.

Third-party intervention iit is when a neutral party is asked to help resolve a conflict .

Third-variable problem refers to the possibility that two (2) variables appear to be related when, in fact, they are both influenced by a third variable that causes them to vary together. Moreover, it is the possibility that a correlation between variables A and B is due to the influence of an unknown third variable rather than to a causal relationship between A and B.

- Thomas Bouchard (b. 1937) : Thomas Bouchard one who headed a research program that featured the study of identical and fraternal twins reared together and apart. Results indicated that intelligence and several personality traits are highly heritable.
- Thomas Hobbes (1588-1679) : Thomas Hobbes believed that the primary motive in human behavior is the seeking of pleasure and the avoidance of pain. For Hobbes, the function of government is to satisfy as many human needs as possible and to prevent humans from fighting with each other. Hobbes believed that all human activity which includes mental activity, could be reduced to atoms in motion, and this shows that Hobbes was a Materialist.
- Thomas Kuhn (1922 - 1996) : Thomas Kuhn believed that the activities of members of a scientific community are governed by a shared set of beliefs called a Paradigm. This Paradigmatic, or normal, science continues until an existing Paradigm is displaced by another Paradigm.
- Thomas Malthus (1766 - 1834) : Thomas Malthus refers to the Eonomist who wrote Essay on the Principle of Population (1798), which provided Darwin with the principle he needed to explain the observations that he had made while aboard the Beagle. The principle stated that because more individuals are born than environmental resources can support, there is a struggle for survival and only the fittest survive.
Thought refers to faculty to think, imagine, meditate, reflect, fantasize, or form an opinion.

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