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).
Besides thickening and hardening of the skin, scleroderma can cause skin to lose elasticity and become shiny as it stretches across bones. Other symptoms include: 1  Numbness, pain or color changes in fingers, toes, cheeks, nose and ears, often brought on by cold or emotional distress.rint. Scleroderma means hard skin, although it affects the joints, blood vessels and organs. Also known as systemic sclerosis, scleroderma always affects the skin, causing hard, oval-shaped patches or streaks of thickened skin on the arms, legs and forehead.