Lec 2 - Score types & selection

Lec 2 - Score types & selection - GENERAL MEASUREMENT...

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GENERAL MEASUREMENT CONCEPTS
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ELEMENTS OF SCORE ANALYSIS TYPES OF SCORES COMMON UNIT OF MEASURE THREE STEPS OF ANALYZING A SET OF SCORES CALCULATORS AND COMPUTERS
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WHY ANALYSIS TEST SCORES? “FOR A LARGE GROUP A SIMPLE LIST OF SCORES HAS NO MEANING” “OVERALL GROUP PERFORMANCE AND/OR IMPROVEMENT CAN ONLY BE INTERPRETED BY CONDENSING THE INFORMATION AND APPLYING DESCRIPTIVE STATISTICS TO IT”
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WHY ANALYSIS TEST SCORES? “ONCE THE OVERALL GROUP PERFORMANCE IS DETERMINED, INDIVIDUAL PERFORMANCE CAN THEN BE EVALUATED IN RELATION IN RELATION TO THE OVERALL GROUP PERFORMANCE”
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TYPES OF SCORES CONTINUOUS SCORES DISCRETE SCORES
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CONTINUOUS SCORES HAVE POTENTIALLY AN INFINITE NUMBER OF VALUES AS THEY CAN BE MEASURED WITH VARYING DEGREES OF ACCURACY BETWEEN ANY TWO VALUES EXIST COUNTLESS VALUES THAT CAN BE EXPRESSRED AS FRACTIONS EXAMPLES: TIME, WEIGHT, & LENGTH
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CONTINUOUS SCORES MOST CONTINUOUS SCORES ARE ROUNDED OFF TO THE NEAREST UNIT OF MEASUREMENT WHEN RECORDED 5 OR MORE IS ROUNDED UP AND 4 OR LESS IS ROUNDED DOWN EXAMPLE ROUNDING TO A WHOLE NUMBER: 1.6 = 2; 1.4 = 1
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DISCRETE SCORES LIMETED TO A SPECIFIC NUMBER OF VALUES ARE NOT EXPRESSED IN FRACTIONS EXAMPLES - FREE THROWS MADE IN BASKETBALL OR SUCCESSFUL THROWS AT A TARGET
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OTHER CLASSIFICATION OF SCORES RATIO INTERVAL ORDINAL NOMINAL
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This note was uploaded on 09/08/2010 for the course KIN 175 at San Jose State University .

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Lec 2 - Score types & selection - GENERAL MEASUREMENT...

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