Most developed Western countries set the age of 60 to 65 for retirement. Being 60â65 years old is usually a requirement for becoming eligible for senior social programs. However, various countries and societies consider the onset of old age as anywhere from the mid-40s to the 70s.
Ordinal Scale Measures in terms of such values as more or less, larger or. smaller, but without specifying the size of the intervals. Example: rating scales, ranking scales, Likert-type scales. Interval Scale Measures in terms of equal intervals or degrees of. difference but without a true zero point.
Therefore, Likert-type scales only represent a rank ordering. Interval: A scale that represents quantity and has equal units but for which zero represents simply an additional point of measurement is an interval scale. The Fahrenheit scale is a clear example of the interval scale of measurement. Thus, 60 degree Fahrenheit or -10 degrees Fahrenheit represent interval data. Measurement of Sea Level is another example of an interval scale. With each of these scales there are direct, measurable quantities with equality of units.