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Stevens' power law is an empirical relationship in psychophysics between an increased intensity or strength in a physical stimulus and the perceived magnitude increase in the sensation created by the stimulus. It is often considered to supersede the Weber–Fechner law, which is based on a logarithmic relationship between stimulus and sensation ...
In psychology, apperception is "the process by which new experience is assimilated to and transformed by the residuum of past experience of an individual to form a new whole". [ 2] In short, it is to perceive new experience in relation to past experience. The term is found in the early psychologies of Herbert Spencer, Hermann Lotze, and Wilhelm ...
Serial-position effect. Serial-position effect is the tendency of a person to recall the first and last items in a series best, and the middle items worst. [ 1] The term was coined by Hermann Ebbinghaus through studies he performed on himself, and refers to the finding that recall accuracy varies as a function of an item's position within a ...
Obedience, in human behavior, is a form of "social influence in which a person yields to explicit instructions or orders from an authority figure". [1] Obedience is generally distinguished from compliance, which some authors define as behavior influenced by peers while others use it as a more general term for positive responses to another individual's request, [2] and from conformity, which is ...
Psychophysics quantitatively investigates the relationship between physical stimuli and the sensations and perceptions they produce. Psychophysics has been described as "the scientific study of the relation between stimulus and sensation" [1] or, more completely, as "the analysis of perceptual processes by studying the effect on a subject's experience or behaviour of systematically varying the ...
Scientific evidence. Scientific evidence is evidence that serves to either support or counter a scientific theory or hypothesis, [ 1] although scientists also use evidence in other ways, such as when applying theories to practical problems. [ 2] Such evidence is expected to be empirical evidence and interpretable in accordance with the ...
HARKing ( hypothesizing after the results are known) is an acronym coined by social psychologist Norbert Kerr [ 1] that refers to the questionable research practice of "presenting a post hoc hypothesis in the introduction of a research report as if it were an a priori hypothesis". [ 1][ 2] Hence, a key characteristic of HARKing is that post hoc ...
Testability. Testability is a primary aspect of science [1] and the scientific method. There are two components to testability: Falsifiability or defeasibility, which means that counterexamples to the hypothesis are logically possible. The practical feasibility of observing a reproducible series of such counterexamples if they do exist.