Research Methods- Levels of Measurement

Research Methods- Levels of Measurement - administer a test...

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Levels of Measurement—Exercise Which scale of measurement (ratio, nominal, interval, ordinal) Has an arbitrary zero point and equal intervals between data points? interval Classifies people into categories? nominal Rank orders people? ordinal Has an absolute zero point and equal intervals from data points? ratio A researcher wants to measure your knowledge of the material in this course. How might the researcher measure this phenomenon? What scale of measurement is this? The researcher could ask each student a question and then place them into two categories based on whether they get the question wrong or right (nominal). They could also
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Unformatted text preview: administer a test and base the level of knowledge on whether the student passes/ fails (nominal), gets an A, B, C, D, or F (ordinal), or on the actual test grade (interval). For each of the following variables, identify the appropriate scale of measurement Nationality- Nominal Age in years (0 to 100+)- Ratio Age ranked from youngest to oldest- Ordinal Outcomes of a high school track race: Finishing time in minutes and seconds- Ratio Finishing places (1 st , 2 nd , 3 rd )- Ordinal Team names of competing schools- Nominal Heart rate (beats per minute)- Ratio SAT scores- Interval Distance in meters- Ratio...
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This homework help was uploaded on 04/15/2008 for the course CO 259 taught by Professor Herbeck during the Fall '08 term at BC.

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