2_Unit1.2_Measurement copy

Objective measure different people can use the same

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Unformatted text preview: ame measure and get the same or relatively similar answer. objective---can anyone use it or do it!!!!!! valid measure- construct validity--like a standardtized test. does the test actully measure what it is intented to measure. is it relaible--- is it consistant. if you take in now and 3 months from now will it be the same. 22 Improving your tests’ objectivity, reliability, and validity •  Consider the purpose of the skill •  Keep the test environment consistent •  Document your methodology •  Standardize measures •  Don’t test yourself! Scientific Method Step 1 • Develop a testable research question Step 2 •  Formulate hypotheses –  what is the anticipated outcome and why? Scientific Method konw this shit!!!!!!! Step 3 • Operationally define independent and dependent variables –  Independent : the ‘manipulated’ variables/ factors –  Dependent: the measured variable (presumably influenced by the independent variable(s)) 23 Scientific Method Step 4 • Design study to test research question 1 2 3 4 M F Subjects….? Who… How many? Independent groups or repeated measures? # of trials? How will you control for extraneous variables? Scientific Method Step 5 •  Observe behavior and gather data Male Female SUB 1 12 11 SUB 2 16 14 SUB 3 21 12 SUB 4 22 17 SUB 5 16 12 SUB 6 16 16 SUB 7 14 11 SUB 8 25 21 SUB 9 22 17 SUB 10 34 26 SUB 11 12 11 Scientific Method Step 6 Male •  Analyze and interpret results of study •  Run descriptive statistics (and inferential statistics) Female SUB 1 12 11 SUB 2 16 14 SUB 3 21 12 SUB 4 22 17 SUB 5 16 12 SUB 6 16 16 SUB 7 14 11 SUB 8 25 21 SUB 9 22 17 SUB 10 34 26 SUB 11 12 11 MEAN 19.09091 15.27273 SD 6.579583 4.818525 24 UNIT 1.2: Measurement and Evaluation of Performance Objectives 1.  Compute, utilize, and interpret outcome and process measures used to assess motor control, coordination, and learning 2.  Design a research experiment to examine specific research questions in motor control and learning. 25...
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This document was uploaded on 03/28/2014 for the course KNES 385 at Maryland.

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