detection theory sentence in Hindi
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- He has worked and published on signal detection theory and time series analysis, where he pioneered the use of kernel density estimation ( also known as the Parzen window in his honor ).
- The 1950s saw a surge in mathematical theories of psychological processes, including Luce's theory of choice, Tanner and Swets'introduction of signal detection theory for human stimulus detection, and Miller's approach to information processing.
- Jeffress was known to psychologists for his pioneering research on auditory masking in psychoacoustics, his stimulus-oriented approach to signal-detection theory in psychophysics, and his " ingenious " electronic and mathematical models of the auditory process.
- Modern approaches to psychophysics, for example signal detection theory, imply that the observed JND, even in this statistical sense, is not an absolute quantity, but will depend on situational and motivational as well as perceptual factors.
- The Glauber detection theory differs from the Born probabilistic interpretation, in that it expresses the meaning of physical law in terms of relationships, counting signals in the detection processes, without assuming the particle model of matter.
- To apply signal detection theory to a data set where stimuli were either present or absent, and the observer categorized each trial as having the stimulus present or absent, the trials are sorted into one of four categories:
- The Glauber detection theory differs from the Born probabilistic interpretation, in that it expresses the meaning of physical law in terms of measured facts ( relationships ), counting events in the detection processes, without assuming the particle model of matter.
- Although signal-detection theory predicts a curvilinear ROC when the hit rate is plotted against the false alarm rate, it predicts a linear ROC when the hit and false alarm rates are converted to z scores ( yielding a z-ROC ).
- It has also been questioned, particularly in terms of signal detection theory, whether any given stimulus is actually associated with a particular and " absolute " perceived intensity; i . e . one that is independent of contextual factors and conditions.
- In many cases the model is chosen on the basis of detection theory to try to guess the probability of an outcome given a set amount of input data, for example given an email determining how likely that it is spam.
- Signal-detection theory assumed a preeminent position in the field of recognition memory in large part because its predictions about the shape of the ROC were almost always shown to be more accurate than the predictions of the intuitively plausible high-threshold model.
- More specifically, the signal-detection model, which assumes that memory strength is a graded phenomenon ( not a discrete, probabilistic phenomenon ) predicts that the ROC will be curvilinear, and because every recognition memory ROC analyzed between 1958 and 1997 was curvilinear, the high-threshold model was abandoned in favor of signal-detection theory.
- Perhaps the best example of this was his treatment of signal-detection theory as applied to human observers : " reinventing " signal-detection from a physics perspective, according to the AJP . In a series of papers published in the " Journal of the Acoustical Society of America " in the 1960s, Jeffress developed what he called a " stimulus-oriented " view of human detection performance.
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