Levels of Measurement Level 1 Nominal is characterized

Levels of Measurement Level 1: Nominal is characterized by data that consist of names, labels, or categories only. The data cannot be arranged in an ordering scheme. Examples: 1. Name 2. Religion 3. Civil Status 4. Address 5. Sex 6. Degree Program

Levels of Measurement Level 2: Ordinal involves data that may be arranged in some order, but differences between data values either cannot be determined or are meaningless. Examples: 1. Military rank 2. Job position 3. Year level

Levels of Measurement Level 3: Interval is like the ordinal level, with the additional property that meaningful amounts of differences between data can be determined. However, there is no inherent (natural) zero starting point. Examples: 1. IQ score 2. Temperature (in °C)

Levels of Measurement Level 4: Ratio is the interval level modified to include the inherent zero starting point. For values at this level, differences and ratios are meaningful. Examples: 1. Height 2. Width 3. Area 4. Weekly allowance

Exercises: Level of Measurements At what level are the ff. variables measured? Write nominal, ordinal, interval, or ratio. 1. Weights of a sample of candies. 2. Instructors rated as superior, above average, below average or poor. 3. Movies listed according to their genre such as comedy, adventure, romance, action, suspense or horror. 4. Lengths of TV commercials (in seconds).

5. Distances (in km. ) traveled by a bus. 6. Test scores (%) such as 75, 80, 90, etc. 7. Gender. 8. Height of students. 9. Academic rank in high school. 10. Grade point average (GPA).