Mental Rotation Lab Report: PSY 405 – Spring 2012 Deng Jichun Introduction The purpose of this experiment was to confirm the theory that we create picturelike representation of perceived visual stimuli‚ and we can also mentally rotate the representation to a known “upright” position. The reaction time increases linearly according to the angle of the rotation‚ regardless of their complexity (Cooper‚ 1975). In some circumstances‚ we snap the perceived visual stimuli and create
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Effects of degree of rotation 012687 University of Nottingham Malaysia Campus Abstract The following study does a replication of Cooper and Shepard’s (1973) study on mental rotation using rotated and normal stimulus. The study investigated the effects of degree of rotation of the stimulus on the time taken (RT) for participants to distinguish between inversed stimuli and non-inversed stimuli. In the following study‚ we used 2 normal stimuli and 2 inversed of the normal stimuli‚ and applied
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have different shapes‚ and the degree of rotation. The control conditions are the multiple trials and the selection of only correct responses. The hypothesis is that if the reaction time is affected by the degree of rotation of the images‚ subjects perform the task by mental rotation of the drawings because it takes time to rotate the mental images just like real images. The result shows that the reaction time is indeed affected by the degree of rotation; therefore‚ it demonstrates the hypothesis
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Abstract The idea of mental imagery has always been a controversial subject in the field of psychology. Many psychologists have argued that such a concept is impossible to measure because it can not be directly observed. Though they are right about this‚ it is not impossible to measure how quickly mental rotations of images are processed in our brains. Subjects in this experiment were presented two shapes simultaneously‚ via computer screen‚ and asked to make judgement‚ as quickly as possible
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Job Rotation System Report to XYZ Co. Prepared by Dan MacLeod and Eric Kennedy 1993 Introduction There are many reasons for implementing a job rotation system including the potential for increased product quality‚ employee satisfaction and lower cumulative trauma disorder rates. However‚ the difficulties of changing the organizational structure of an entire facility can prove difficult. It is important that the program start slowly at first so that the program can
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Job rotation advantages and disadvantages Advantages 1. Helps Managers Explore the Hidden Talent: Job Rotation is designed to expose employees to a wider range of operations in order to assist managers in exploring their hidden talent. In the process‚ they are moved through a variety of assignments so that they can gain awareness about the actual working style of the organization and understand the problems that crop up at every stage. Through this process‚ managers identify what a particular
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Taviana Webb Period 1 Culminating Task #1 Rotation: The rotation transformation is where you turn a figure about a given point. The point that the obtated about can be inside the figure or anywhere outside it. The amount of rotation is called the angle of rotation and is measured in degrees. You can rotate shapes or figures on a coordinate grid. Each quadrant differs in degrees when working with rotations. Going clockwise the first quadrant is 90 degrees ‚ the second quadrant is 180 degrees
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Job Rotation Programs Pamela Robinson-Smith Walsh College Human Resource Management 555 February 29‚ 2012 Introduction Job rotation programs are very enriching but require much energy from both the company implementing the program as well as the employees. Job rotation is the systematic movement of employees from job to job within an organization. Job rotation is a systematic career development strategy that moves employees laterally and offers customized assignments for specialized
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In addition‚ as in 3D wireframe images‚ the figure can appear to rotate in either direction‚ depending on how your brain interprets it. It can also spontaneously reverse the direction of rotation. (In a real 3D wireframe image the image can also appear to rotate around a different axis.) The rotation of Lissajous Figures is something you need to see‚ so I am posting a program to do this. Because the sine function is computationally intensive‚ the program starts out by calculating a table
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familiarity or experience plays a prominent role in the recognition of the 3D blocks. It seems that in the rotation of these images familiarity plays a very important role‚ since it can be assumed that if familiarity is true‚ then subjects who are familiar with any object or behavior will find it easier to make a mental rotation. 2. The results showed the typical effect of mental rotation on response times. There were moments when I could not tell if the shapes were different or the same. As when
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