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1.3: Conceptions of Age

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    184005
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    How old are you? Chances are you would answer that question based on the number of years since your birth, or what is called your chronological age. Ever felt older than your chronological age? Some days we might "feel" like we are older, especially if we are not feeling well, are tired, or are stressed out. We might notice that a peer seems more emotionally mature than we are, or that they are physically more capable. So years since birth is not the only way we can conceptualize age.

    Biological age: Another way developmental researchers can think about the concept of age is to examine how quickly the body is aging; this is your biological age. Several factors determine the rate at which our body ages. Our nutrition, level of physical activity, sleeping habits, smoking, alcohol consumption, how we mentally handle stress, and the genetic history of our ancestors, to name but a few.

    Psychological age: Our psychologically adaptive capacity compared to others of our chronological age is our psychological age. This includes our cognitive capacity, along with our emotional beliefs about how old we are. An individual who has cognitive impairments might be 20 years of age, yet have the mental capacity of an 8-year-old. A 70-year-old might be traveling to new countries, taking courses at college, or starting a new business. Compared to others of our age group, we may be more or less adaptive and excited to meet new challenges. Remember you are as young or old as you feel.

    An older man holding a cane sits on a parked motorcycle.
    Figure \(\PageIndex{1}\). You are as young as you feel! Image source

    Social age: Our social age is based on the social norms of our culture and the expectations our culture has for people of our age group. Our culture often reminds us whether we are "on target" or "off target" for reaching certain social milestones, such as completing our education, moving away from home, having children, or retiring from work. However, there have been arguments that social age is becoming less relevant in the \(21^{\text{st}}\) century (Neugarten, 1979; 1996).

    If you look around at your fellow students in your courses at college, you might notice more people who are older than the more traditional-aged college students of ages 18 to 25. Similarly, the age at which people are moving away from the home of their parents, starting their careers, getting married or having children, or even whether they get married or have children at all, is changing. Those who study lifespan development recognize that chronological age does not completely capture a person's age. Our age profile is much more complex than this. A person may be physically more competent than others in their age group, while being psychologically immature. So, how old are you?


    This page titled 1.3: Conceptions of Age is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by Martha Lally and Suzanne Valentine-French via source content that was edited to the style and standards of the LibreTexts platform.