Transcript KIN 396, 1
Chapter 1 Measurement, Evaluation, Assessment, and Statistics ©2013, The McGraw-Hill Companies, Inc. All Rights Reserved Chapter Objectives After completing this chapter, you should be able to • Define statistics. • Define the terms test, measurement, evaluation, and assessment, and give examples of each. • List and describe the reasons for measurement and evaluation by the physical educator. • State why the ability to use statistics is important for the physical educator. ©2013, The McGraw-Hill Companies, Inc. All Rights Reserved 1-2 Statistics - involves the collection, organization, and analysis of numerical data Test - an instrument or a tool used to make a particular measurement; may be oral, written, mechanical Measurement - usually though of as quantitative; process of assigning a number to a performance or an attribute of a person Evaluation - interpretation of measurement; a judgment about the measurement Assessment - process; measurement, evaluate, identify, and prescribe ©2013, The McGraw-Hill Companies, Inc. All Rights Reserved 1-3 Reasons for Measurement, Evaluation, and Assessment by the Physical Educator • Motivation - skills test, skinfold measurements, second measurements • Diagnosis - assessment of weaknesses and strengths • Classification - formation of similar groups • Achievement - measurement of progression • Evaluation of Instruction and Programs • Prediction - future performance • Research - solutions and expand knowledge ©2013, The McGraw-Hill Companies, Inc. All Rights Reserved 1-4 Why Statistics? • Analyze and Interpret Data - must be done before making important decisions Examples - teaching methodology, weight loss programs, importance of vegetables and fruits in diet, benefits of aerobic activity ©2013, The McGraw-Hill Companies, Inc. All Rights Reserved 1-5 Why Statistics? • Interpret Research - research performed to find answers to questions Examples - diets, weight loss programs, effects of fatigue of performance, effectiveness of drugs, exercise and longevity, exercise and cancer To develop answers, we collect data; statistics enable us to determine implications of data; wild claims sometimes made after interpretation of statistics. ©2013, The McGraw-Hill Companies, Inc. All Rights Reserved 1-6 Why Statistics? • Standardize Test Scores - convert unlike scores to standardized scores Examples - measurement in different units (feet, seconds, and numbers • Determine Worth (Validity and Reliability) of a Test Validity – refers to the degree a test measures what it claims to measure Reliability – refers to the consistency of a test Use of these values enable you to better select appropriate tests to administer ©2013, The McGraw-Hill Companies, Inc. All Rights Reserved 1-7