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Weber’s Law and Visual Perception Sample

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    Ocular perceptual experience is one of our senses. holding the ability to construe information from our environment with the aid of seeable visible radiation. It allows us to judge comparative place of marks or stimulations with truth. Judgment of size harmonizing to Weber’s jurisprudence says that smaller length calls for a smaller difference. The research worker asked the topic to presume a center on 30 lines comprised of 10 2 inch lines. ten 4 inch line and ten 6 inch line. Then the research worker computed each mean mistake. The consequences support Weber’s jurisprudence on judgement size. 2 inch lines have lesser average mistake that 6 inch line. 4 inch line has greater average mistake than 2 inch line. Reasoning from these consequences. there is a relationship between the Weber’s jurisprudence and ocular perceptual experience of the topic. Introduction:

    Percept is the designation. organisation and reading of the information our senses gathered from the environment. Weber’s jurisprudence or Weber – Fechner jurisprudence states that the alteration in a stimulation that will be merely noticeable is a changeless ratio of the original stimulation. In other words. it says that the size of the merely noticeable difference ( difference threshold ) is a changeless proportion of the stimulation value. The purpose of this experiment is to find if the Weber’s jurisprudence has any relationship to Visual perceptual experience. It was stated that a merely noticeable alteration in the stimulation will be perceived by the topic as still the original stimulation. Meaning to state. that if there is merely a little difference on the stimulation. the consequence is small or no mistake. . Psychologist Richard Gregory argued that perceptual experience is a procedure that undergoes a top down processing. Percept is a procedure that involves doing illations about what we see and seek to do a best conjecture. When the topic looked at the lines. he developed a perceptual hypothesis or conjecture on what is the center of each lines. He already had a anterior cognition of the length of lines. All the conjecture he made are about right. Law of comparative judgement by L. L. Thurstone is described as a theoretical account that is used to obtain measurings from comparing. Example of this is the comparing of sensed strength of physical stimulations. Associating to this experiment. the topic made a comparative judgement on each stimulation.

    Measuring. in his head. the length of the line and presuming its center. The subject’s measurings represented how he perceived the objects. instead than being really measured. Gestalt psychological science provinces that the whole is greater than the amount of itself. Under it is the gestalt consequence. a form-generating capableness of our senses. peculiarly with human’s ability in ocular acknowledgment of figures and whole signifiers alternatively of merely a aggregation of simple lines and curves. The topic had to look at the lines as a whole to be able to presume its center. Associating this jurisprudence to the experiment. the alternate hypothesis provinces that as the length of line additions. the perceptual mistake besides increases.

    Methodology:a. Participant: A pupil from BSIOP 3-1 was asked to take part in this experiment.

    B. Materials: Paper with 2. 4. 6 inch lines get downing at different get downing places from the border. There are 10 lines for each class. all arrange in random so that the same length does non look in turn.

    c. Procedures: The topic was asked to lightly tag with a ball write what appears to be the center of each line. A sheet of paper was used to cover the lines so that merely one line will be seen. When all 30 centers have been estimated. the research worker so measured each line with a swayer to the nearest 1/16 inch and tag the existent center. The research worker so recorded the sum of mistake for each of the line and the way. If the false center was made before the existent center. a subtraction mistake was written. if it was after the existent center. a plus mistake was put. After this the Mean 1 of each class was computed. The mistakes was added overlooking its mark. Average 2 was besides presented. This clip. the marks were taken into history.


    Based on average 1. we can state that the alternate hypothesis “as the length of line increases the average mistake besides increases” is accepted. As you can see. 2 inch line has merely a average mistake of 0. 63. 4 inch line has a average mistake of 1. 7 and 6 inch line has 3. 26 average mistake. We can clearly see that the average mistake ascends as the line length gets longer.


    Levi. Dennis M. . Klein. Stanley A. . and Yap. Yen Lee. ( 1987 ) . “Weber’s law” for place: Unconfounding The Role of Separation and Eccebtricity. Vol 28. No. 5. pp. 597 – 603. Great Britain. Smeets. Jeroen B. J. . and Brenner. Eli. Grasping Weber’s jurisprudence. McLeod. Sam. ( 2007 ) . Ocular Perception Theory.

    Vasquez-Espinosa. R. E. . and Conners. Richard W. ( 1982 ) . The Law of Comparative Judgement: Theory and Implementation Appendix:

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