Logical Hypothesis
A good scientific hypothesis must be logically sound, indicating that it is based on structured reasoning, prior theories, or empirical observations rather than being an arbitrary guess. In most cases, researchers utilize deductive reasoning to derive a precise, testable hypothesis from a broader theory. Conversely, in the absence of an existing theory, they may employ inductive reasoning to develop a more general hypothesis drawn from specific research findings or empirical observations.
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Research Methods in Psychology - 4th American Edition @ KPU
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Testable and Falsifiable Hypothesis
Logical Hypothesis
Positive Hypothesis
Match each fundamental characteristic of an effective scientific hypothesis with its correct description.
Example of a Deductive Reasoning Argument
A researcher begins with the general principle that 'all individuals who sleep less than six hours per night will show impaired cognitive performance.' The researcher then learns about a specific person, Alex, who consistently sleeps only five hours per night. Based on the initial principle, the researcher concludes that Alex must have impaired cognitive performance. However, upon testing, Alex shows above-average cognitive performance. Which statement best analyzes the flaw in the researcher's reasoning process?
Logical Hypothesis
Which of the following best describes deductive reasoning within a scientific context?
Example of Inductive reasoning
Stages of Casual Inference: Induction and Deduction
Effect of age on inductive reasoning
Inductive reasoning refrence library
Example of an Incorrect Inductive Generalization
A biologist observes that every swan they have seen in Europe is white, and every swan they have seen in North America is white. Based on these numerous observations, the biologist concludes that all swans in the world must be white. Which statement best analyzes the biologist's conclusion?
Logical Hypothesis
In the context of scientific research, what is the primary characteristic of inductive reasoning?
A researcher observes that across 15 separate studies, participants who sleep fewer than six hours per night consistently score lower on memory tasks. The researcher uses these findings to form the broader generalization that sleep deprivation impairs memory performance. Because this generalization is based on numerous consistent and accurate observations, it is guaranteed to be correct.