Similarly, if their mental age was lower than their chronological age, their IQ would be lower than 100. However, if their mental age was greater than their chronological age (e.g., 12 rather than 10), their IQ would be 120.
So, if an individual of 10 years of age had a mental age of 10, their IQ would be 100. At that time, IQ was represented as a ratio of mental age to chronological age x 100. The term 'IQ' was coined in 1912 by the psychologist William Stern in relation to the German term Intelligenzquotient. The peer group score is an IQ of 100 this is obtained by applying the same test to huge numbers of people from all socio-economic strata of society, and taking the average. The biological age of the person would be higher than 28 years.IQ is a type of standard score that indicates how far above, or how far below, his/her peer group an individual stands in mental ability. Consider the case of a 28-year-old male who eats high-fat foods, smokes about five packets of cigarettes each day for the past decade, and does not exercise. Though chronological age is itself a factor, the biological age might be the same as the chronological age.
#Chronological age definition professional
Using such factors (lifestyle, diseases, nutrition, genetics, chronological age, and other conditions) and other numerous mathematical models, a medical professional can decide what age is the body of an individual acting like. Biological age is also based on numerous factors, such as the changes in the chromosomes with time. Chronological age is considered a primary risk factor for mortality, chronic diseases, and impairment to bodily function, like memory or hearing.Ģ) Chronological age: This age of a person is irreversible and independent of the person's lifestyle, biological age takes into account various lifestyle factors such as sleeping habits, diet, and exercise. Two different ages of a person exists such as 1) biological age and 2) chronological age.ġ) Biological age: This age refers to the person's age based on their appearance, and chronological age is the actual duration the person has been alive for. However, service provision is guided through chronological age only. An alternate method to describe the process of aging is the functional age, which is measured as the ability of an older adult to carry out their daily life function. Chronological age does not have a relationship with a person's feelings or functioning. When an adult reaches the chronological age of 65, they are referred to as older adults. Chronological age is one of the most common methods to describe aging along with their legal age. Though age also plays its part in developing these domains, there have been significant variations observed within a single age group. Everyone has met someone in their life, a person who appears much older or younger than they are.Ĭhronological age is used as a very crude indicator of underlying processes of cognitive capacity, family and peer relationships, biological maturation, and understanding of a person about themselves. Some people experience a very gradual aging process, while some age very rapidly. The rate of aging is different for everyone. The number of days, months, and years an individual is alive does not depend on the person's lifestyle, be it healthy or unhealthy. The actual amount of time an individual is alive is referred to as their chronological age. The above picture shows the difference in the aging appearance of a person.
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