Submit a 1500 words paper on the topic Perception Psychology. Subsequently, participants completed a computerized Muller-Lyer experiment where they adjusted the underlying length of the line in order to match an illusory figure (Feldman, 2014). The illusion was significantly stronger for the participants with a global bias and significantly weaker for individuals with local bias, compared with the corresponding control condition. These findings offer empirical support to the t conflicting cues theory of perceptual compromise within the Muller-Lyer illusion. This experiment involved two main variables namely the independent variable and dependent variable. The dependent variable was the average time it took the participants to adjust the line. The independent variable was the length of the second line as it kept changing throughout the experiment.The Muller-Lyer (1889) illusion consists of two similar lines that look dissimilar in length, due to the arrowheads or arrow tails fixed at the prevailing apexes of both lines. The line with the arrowheads is normally perceived as being relatively shorter as compared to the arrow tails. Several theories and experimental paradigms have been advanced to explain this illusion, such as misapplied size constancy, variations of the angle degree and length of arrowheads coupled with the central-tendency effects.This experiment involved two main variables namely the independent variable and dependent variable. The dependent variable was the average time it took the participants to adjust the line whilst the independent variable was the length of the second line as it kept changing throughout the experiment.Theory of perceptual compromise to elaborate visual illusions Muller-Lyer stipulates that Lyer illusion occurs due to the underlying conflicting cues, where a compromise exists amidst the true lengths of the lines and the corresponding interracial distances and the length of the complete figures. Thus, the line arrow tails at its apexes appear relatively longer as compared to the arrowheads since the fins-out figure is larger overall, and the distance amidst the apices of the fins is bigger (Feldman, 2014).
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