Sapir focused more on linguistic determinism, an absolutist view of the connection between language and perception, while Whorf departed and often argued against determinism in favor of linguistic relativism, a less constraining version of the same concept (see tab “Linguistic Determinism vs Linguistic Relativism”).
Just how these criteria relate to the controversy over whether animals have language capabilities and even more specifically to the Sapir-Whorf human language thought debate, however, is not always clear.
IB English B: Sapir-Whorf hypothesis
The tradition was taken up by the American linguist and anthropologist Edward Sapir (1884-1939) and his pupil Benjamin Lee Whorf (1897-1941), and resulted in a view about the relation between language and thought which was widely influential in the middle decades of this century....
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Edward Sapir further developed Wilhelm Humbolt's work in the 1800s on the connection between language and worldview, which Sapir's most prominent student, Edward Whorf, further expanded.
Hypothesis dictionary definition | hypothesis defined
Sapir and Whorf never actually stated such ideas in the form of a hypothesis and the term “Sapir-Whorf Hypothesis” was created by another one of Sapir's students, Harry Hoijer (Language and Thought, 2012).
an unproved theory, proposition, supposition, etc
For those who criticize Sapir and Whorf, please realize that the article in question refers to the Sapir-Whorf-hypothesis. And as far as I can tell, the Korzybski addendum version refers to the weak interpretation.