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.
Level of measurement. Level of measurement or scale of measure is a classification that describes the nature of information within the values assigned to variables. Psychologist Stanley Smith Stevens developed the best known classification with four levels, or scales, of measurement: nominal, ordinal, interval, and ratio. This framework of distinguishing levels of measurement originated in psychology and is widely criticized by scholars in other disciplines. Other classifications include those by Mosteller and Tukey,