Student Manual for CogLab™ Experiments Prepared by Greg Francis and Ian Neath Purdue University Instructional Material by Angie Mackewn University of New Brunswick and Danalee Goldthwaithe University of British Columbia August 7‚ 2003 Copyright © 2004 Wadsworth‚ a division of Thomson Learning‚ Inc. Thomson Learning™ is a trademark used herein under license. CogLab™ is a service mark used herein under license. ALL RIGHTS RESERVED. No part of this work covered by the copyright hereon may be
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College of Staten Island. Approximately 45 students participated in this study for course work. Students’ age ranged from 20-40 years for both males and females. Materials In order to start this experiment‚ students were asked to sign in to their CogLab accounts. To start the first trial of the change detection experiment‚ participants were required to press the space bar. One picture will appear after the other. In this experiment two pictures were represented in modification for each trial. On
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COGLAB SHORT – TERM MEMORY : BROWN PETERSON Individual Data In the 1940s‚ memory loss was widely considered to be the result of new information interfering with previously learned information. In the late 1950s‚ two groups of researchers (one named Brown and a husband and wife team named Peterson) published data that forced a new interpretation of human memory. With reference to table 1‚ and output graph‚ short distracter duration and the moderate distracter
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The experiment tries to show that people can not only create images but also mentally transform them. They present the subjects with two 3D line-drawing of random block shapes. The subjects are asked to decide if the two images are the same object by pressing two different keys on the keyboard. In some cases the two images are the same object with one rotated by some degree. In other cases the two images are mirror images that are similar but not identical. The mirror images are also rotated sometimes
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Stroop Effect CogLab Report Stroop Effect CogLab Report The Stroop effect is a test that demonstrates a decrease in reaction time that occurs when the brain receives conflicting information. When sensory information conflicts‚ a processing delay occurs in the brain; this is interference. If a specific color is paired with its corresponding word then those two pieces of information are compatible. If the information conflicts then the individual is forced to make a decision. It is hypothesized
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Coglab Report The Stroop Effect University of Houston – Downtown The Stroop Effect The Stroop Effect is a psychological effect that was first wrote about in 1935 by a psychologist of the same name‚ John Ridley Stroop. In this experiment‚ John Stroop studied and compared subjects reading a list of words that were printed in black and had the same group of subjects read the same list of words in incongruent colors. Stroop didn’t
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Abstract This research is designed to study attention and automatic processing of the brain by replicating the Stroop effect experiments that was conducted before. The participants included 12 female and 6 male students from Cal State Fullerton. Coglab‚ a virtual lab‚ was used to conduct the experiment. On each trial they were shown a word (RED‚ GREEN‚ or BLUE) that was printed in either red‚ green‚ or blue font color the assigned task was to classify‚ as quickly as possible‚ the font color‚ regardless
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False Memories When engaging in the cognitive processes of recall and recognition‚ we rarely focus on how accurate a memory is when retrieved. Instead‚ we focus on whether we are able to retrieve that memory or not. What many of us do not realize is that it is quite common for us to encode memories differently than the way they occurred. There are also instances where we remember events that never happened‚ and this is quite critical since many‚ if not all‚ of our cognitive processes depend on memory
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’Lab-Assignment-3-Data’ to complete the assignment. This file can also be found in the folder called ’Lab Assignment 3’ on vista. The SPSS file contains data from the online survey and the CogLab "Memory Span" experiment your class completed. Marking of lab assignments will be very strict. If you did not complete the CogLab "Memory Span" experiment on time‚ you will lose 1/4 of the total assignment grade (6 points). To avoid receiving other deductions‚ type your answers in the spaces provided. You may
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1. The results obtained in this experiment confirm that the recognition models predict quite well that 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
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