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Unformatted text preview: HK 258 00 Foundations of Motor Skill Acquisition Spring 2010 Research in Motor Learning and Control -- Measuring Performance Laboratory 1 Error Measures Page 1 of 4 Introduction We will be doing a very simple laboratory to learn about the measurement of performance from a behavioral perspective. We also will manipulate an independent variable to allow you to begin to understand the nature of experiments. In this experiment you will use a #2 pencil to move from one target to another to the beat of a metronome. You will make a movement every beat. You will make ten movements (five to each target). Because the pencil will leave a mark on the paper, you will be able measure your performance. For one set of trials (n = 3) you will do this with your eyes opened, and for the other set of trials (n = 3) you will do this with your eyes closed. Thus, the independent variable is vision. Equipment: You will need a computer with sound capability. A number 2 pencil (mechanical is fine) A cm ruler Target sheets (provided by HNZ) Data sheet (provided by HNZ) Procedures Flip a coin. Heads means do the eyes open trials first. Tape the target sheet to a smooth surface such as a desktop or a table. Sit comfortably, on a regular chair. The first two beeps are for you to hear the interval. Begin moving on the third beep, ending at the first target on the fourth, and continue until there is a long duration tone. For the next trial move to the next target pair (on the same sheet). Following three trials, switch to the other vision condition. HK 258 00 Foundations of Motor Skill Acquisition Spring 2010 Research in Motor Learning and Control -- Measuring Performance Laboratory 1 Error Measures Page 2 of 4 Measurements. For each trial you need to measure the location of each pencil mark relative to the center of each circle target. Orient the target sheet exactly the way the subject used it. Each pencil mark will have two scores. An x and a y score will be recorded. The center of the target is 0, 0 . Use normal x,y coordinates to determine positive and negative values. You must keep the proper sign!!! ‐X + Y +X + Y +X ‐ Y ‐X ‐ Y Each trial should have close to the same number of pairs of X Y errors. Column n will have the x values and Column n + 1 will have the y values HK 258 00 Foundations of Motor Skill Acquisition Spring 2010 Research in Motor Learning and Control -- Measuring Performance Laboratory 1 Error Measures Page 3 of 4 HK 258 00 Foundations of Motor Skill Acquisition Spring 2010 Research in Motor Learning and Control -- Measuring Performance Laboratory 1 Error Measures Page 4 of 4 ...
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