There are four measurement scales (or types of data): nominal, ordinal, interval and ratio. These are simply ways to categorize different types of variables.ote: a sub-type of nominal scale with only two categories (e.g. male/female) is called â dichotomous .â If you are a student, you can use that to impress your teacher. Continue reading about types of data and measurement scales: nominal, ordinal, interval, and ratioâ¦.
A cutaneous horn, also known as cornu cutaneum, refers to a specific appearance of a skin lesion in which a cone-shaped protuberance arises on the skin caused by overgrowth of the most superficial layer of skin (epidermis).
Scalp Psoriasis. Psoriasis is another chronic inflammatory skin condition that may be the cause of a rash behind the ears. It can occur at any age and tends to affect the skin on the elbows, knees and scalp more frequently. Psoriasis appears to be an autoimmune disease although the exact cause is unknown.