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  2. Rhetorical modes - Wikipedia

    en.wikipedia.org/wiki/Rhetorical_modes

    [2] Frederick Crews uses the term to mean a type of essay and categorizes essays as falling into four types, corresponding to four basic functions of prose: narration, or telling; description, or picturing; exposition, or explaining; and argument, or convincing. [3] This is probably the most commonly accepted definition.

  3. Natural kind - Wikipedia

    en.wikipedia.org/wiki/Natural_kind

    The philosophical issue is how humans can dependably predict that unobserved examples of a kind will have the same traits as a few observed examples. The traditional answer grew out of Aristotle's assertion that humans describe things they know in two kinds of propositions. Existential kinds—known by observing traits—are stated in "generic ...

  4. Hypothesis - Wikipedia

    en.wikipedia.org/wiki/Hypothesis

    The hypothesis of Andreas Cellarius, showing the planetary motions in eccentric and epicyclical orbits. A hypothesis (pl.: hypotheses) is a proposed explanation for a phenomenon. A scientific hypothesis must be based on observations and make a testable and reproducible prediction about reality, in a process beginning with an educated guess or ...

  5. Argument - Wikipedia

    en.wikipedia.org/wiki/Argument

    Argumentation schemes are stereotypical patterns of inference, combining semantic-ontological relations with types of reasoning and logical axioms and representing the abstract structure of the most common types of natural arguments. [13] A typical example is the argument from expert opinion, shown below, which has two premises and a conclusion ...

  6. Essay - Wikipedia

    en.wikipedia.org/wiki/Essay

    In English essay first meant "a trial" or "an attempt", and this is still an alternative meaning. The Frenchman Michel de Montaigne (1533–1592) was the first author to describe his work as essays; he used the term to characterize these as "attempts" to put his thoughts into writing. Subsequently, essay has been

  7. Scientific method - Wikipedia

    en.wikipedia.org/wiki/Scientific_method

    A hypothesis is a conjecture based on knowledge obtained while seeking answers to the question. Hypotheses can be very specific or broad but must be falsifiable , implying that it is possible to identify a possible outcome of an experiment or observation that conflicts with predictions deduced from the hypothesis; otherwise, the hypothesis ...

  8. Empirical research - Wikipedia

    en.wikipedia.org/wiki/Empirical_research

    If not, the null hypothesis is supported (or, more accurately, not rejected), meaning no effect of the independent variable(s) was observed on the dependent variable(s). The result of empirical research using statistical hypothesis testing is never proof. It can only support a hypothesis, reject it, or do neither. These methods yield only ...

  9. Working hypothesis - Wikipedia

    en.wikipedia.org/wiki/Working_hypothesis

    A working hypothesis is a hypothesis that is provisionally accepted as a basis for further ongoing research [1] in the hope that a tenable theory will be produced, even if the hypothesis ultimately fails. [2] Like all hypotheses, a working hypothesis is constructed as a statement of expectations, which can be linked to deductive, exploratory ...