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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 ...
For Putnam, the working hypothesis represents a practical starting point in the design of an empirical research exploration. A contrasting example of this conception of the working hypothesis is illustrated by the brain-in-a-vat thought experiment. This experiment involves confronting the global skeptic position that we, in fact, are all just ...
An example of Neyman–Pearson hypothesis testing (or null hypothesis statistical significance testing) can be made by a change to the radioactive suitcase example. If the "suitcase" is actually a shielded container for the transportation of radioactive material, then a test might be used to select among three hypotheses: no radioactive source ...
The hypothetico-deductive model or method is a proposed description of the scientific method.According to it, scientific inquiry proceeds by formulating a hypothesis in a form that can be falsifiable, using a test on observable data where the outcome is not yet known.
The variability hypothesis, also known as the greater male variability hypothesis, is the hypothesis that males generally display greater variability in traits than females do. It has often been discussed in relation to human cognitive ability , where some studies appear to show that males are more likely than females to have either very high ...
Schiappa, et al. build on the contact hypothesis by integrating research on Parasocial Interaction (PSI), that is, the perceived relationship that audiences develop through mediated encounters with real and fictional characters. Consumers of media feel they get to know the characters they learn about and, in certain circumstances, feel they ...
The contact hypothesis has proven to be highly effective in alleviating prejudice directed toward homosexuals. [24] Applying the contact hypothesis to heterosexuals and homosexuals, Herek (1987) found that college students who had pleasant interactions with a homosexual tend to generalize from that experience and accept homosexuals as a group. [25]
A theoretical definition defines a term in an academic discipline, functioning as a proposal to see a phenomenon in a certain way. A theoretical definition is a proposed way of thinking about potentially related events. [1] [2] Theoretical definitions contain built-in theories; they cannot be simply reduced to describing a set of observations.