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Absolute Limen (AL) Differential Limen (DL)
by Weight Box
Dr Rajesh Verma
Assistant Professor in Psychology
Govt. College Adampur, Hisar (Haryana)
8/9/2020 PPT slides © Dr Rajesh Verma FGM Govt Collage Adampur, Hisar, Haryana
Brief Introduction
 निरपेक्ष सीमा या निरपेक्ष देहली एवं भेद सीमा या भेद देहली
साइकोनिनिक्स की मूलभूत अवधारणाएं हैं िो 1860 में गुस्ताव
नियोडोर िेचिर द्वारा प्रस्तानवत की गई िीं तानक शरीर और मि
के बीच के संबंध का वणणि गनणत के आधार पर नकया िा सके ।
 AL and DL are the fundamental concepts
of Psychophysics which was coined by
Gustav Theodore Fechner in 1860 to
describe mathematically the relationship
between body and mind.
8/9/2020 PPT slides © Dr Rajesh Verma FGM Govt Collage Adampur, Hisar, Haryana
 AL - निरपेक्ष सीमा या निरपेक्ष देहली या पहचाि सीमा
 AL – Absolute Limen or Absolute threshold or Detection
Threshold.
 DL – भेद सीमा या भेद देहली या पहचाििे योग्य न्यूितम अंतर या नवभेदि सीमा
 DL - Differential Limen or differential threshold or Just
Noticeable Difference (JND) or Discrimination
Threshold.
 प्रयासों की संख्या निरपेक्ष सीमा एवं भेद सीमा के मापि के नलए आधार बिती है
(50%)
 No. of trials forms the base for the measurement of AL
and DL (50%).
8/9/2020 PPT slides © Dr Rajesh Verma FGM Govt Collage Adampur, Hisar, Haryana
उपकरण का प्रकार Apparatus type
य ांत्रिक (वजन बॉक्स)
Mechanical (Weight Box)
8/9/2020 PPT slides © Dr Rajesh Verma FGM Govt Collage Adampur, Hisar, Haryana
मनो-भौतिकी का पररचय
Introduction to Psychophysics
अनुप्रयोग Applications
1. मनो-भौत्रिकी - Psychophysics.
2. उत्प द िुलन - Product comparison.
3. सांवेदी शरीर-त्रिय त्रवज्ञ न - Sensory physiology.
4. श्रवणत्रमत्रि - Audiometry.
5. त्रित्रजटल सांके ि प्रसांस्करण - Digital signal processing.
6. Neurology (Neuroscience and neuroimaging).
7. मशीन और उत्प द त्रिज इन - Machine and product
design.
8/9/2020 PPT slides © Dr Rajesh Verma FGM Govt Collage Adampur, Hisar, Haryana
References:
1. Gescheider, G. A. (1997). Psychophysics: The Fundamentals.
Psychology Press.
2. Bruce. V., Green, P. R. & Georgeson, M. A. (1996). Visual
perception (3rd ed.). Psychology Press.
8/9/2020 PPT slides © Dr Rajesh Verma FGM Govt Collage Adampur, Hisar, Haryana
vermasujit@yahoo.com
Next
Discussion
Mirror
Drawing Apparatus
8/9/2020 PPT slides © Dr Rajesh Verma FGM Govt Collage Adampur, Hisar, Haryana

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AL DL by weight box

  • 1. Absolute Limen (AL) Differential Limen (DL) by Weight Box Dr Rajesh Verma Assistant Professor in Psychology Govt. College Adampur, Hisar (Haryana) 8/9/2020 PPT slides © Dr Rajesh Verma FGM Govt Collage Adampur, Hisar, Haryana
  • 2. Brief Introduction  निरपेक्ष सीमा या निरपेक्ष देहली एवं भेद सीमा या भेद देहली साइकोनिनिक्स की मूलभूत अवधारणाएं हैं िो 1860 में गुस्ताव नियोडोर िेचिर द्वारा प्रस्तानवत की गई िीं तानक शरीर और मि के बीच के संबंध का वणणि गनणत के आधार पर नकया िा सके ।  AL and DL are the fundamental concepts of Psychophysics which was coined by Gustav Theodore Fechner in 1860 to describe mathematically the relationship between body and mind. 8/9/2020 PPT slides © Dr Rajesh Verma FGM Govt Collage Adampur, Hisar, Haryana
  • 3.  AL - निरपेक्ष सीमा या निरपेक्ष देहली या पहचाि सीमा  AL – Absolute Limen or Absolute threshold or Detection Threshold.  DL – भेद सीमा या भेद देहली या पहचाििे योग्य न्यूितम अंतर या नवभेदि सीमा  DL - Differential Limen or differential threshold or Just Noticeable Difference (JND) or Discrimination Threshold.  प्रयासों की संख्या निरपेक्ष सीमा एवं भेद सीमा के मापि के नलए आधार बिती है (50%)  No. of trials forms the base for the measurement of AL and DL (50%). 8/9/2020 PPT slides © Dr Rajesh Verma FGM Govt Collage Adampur, Hisar, Haryana
  • 4. उपकरण का प्रकार Apparatus type य ांत्रिक (वजन बॉक्स) Mechanical (Weight Box) 8/9/2020 PPT slides © Dr Rajesh Verma FGM Govt Collage Adampur, Hisar, Haryana मनो-भौतिकी का पररचय Introduction to Psychophysics
  • 5. अनुप्रयोग Applications 1. मनो-भौत्रिकी - Psychophysics. 2. उत्प द िुलन - Product comparison. 3. सांवेदी शरीर-त्रिय त्रवज्ञ न - Sensory physiology. 4. श्रवणत्रमत्रि - Audiometry. 5. त्रित्रजटल सांके ि प्रसांस्करण - Digital signal processing. 6. Neurology (Neuroscience and neuroimaging). 7. मशीन और उत्प द त्रिज इन - Machine and product design. 8/9/2020 PPT slides © Dr Rajesh Verma FGM Govt Collage Adampur, Hisar, Haryana
  • 6. References: 1. Gescheider, G. A. (1997). Psychophysics: The Fundamentals. Psychology Press. 2. Bruce. V., Green, P. R. & Georgeson, M. A. (1996). Visual perception (3rd ed.). Psychology Press. 8/9/2020 PPT slides © Dr Rajesh Verma FGM Govt Collage Adampur, Hisar, Haryana
  • 7. vermasujit@yahoo.com Next Discussion Mirror Drawing Apparatus 8/9/2020 PPT slides © Dr Rajesh Verma FGM Govt Collage Adampur, Hisar, Haryana