Even before we start investigating the lifespan, two caveats of sorts about psychology and humans are needed.
1. The uniqueness of psychology
Psychology is a social science. Social sciences are the only sciences where the investigator is of the same species as the investigated.
If you think about it, rocks do not study rocks. Atoms do not study atoms. Dinosaurs do not study dinosaurs, etc.
People do study people and this leads to potential problems in the "doing" of psychology.
We all come to the observation and study of people with our own “biases” based on our culture, background, age, sex, race, etc. This is wrong or bad - but it is an important factor to consider when reading about, looking at, and studying people.
We tend look at "other" people through our own eyes – we cannot help doing so - but we have to be aware of this factor.
As an aside, we tend to do the same thing when we look at other living species…How many of us have said “my dog is sad,” “my cat is happy,” or “my bird looks interested.” And – we tend to do this with inanimate objects as well…You don’t have to answer publicly - but how many have said things like: “That light turned red just to get me.” Or “It rained today because I had planned an outdoor event.” And how many of us attribute nasty characteristics to our cars when they fail to do as we wish? You might think of similar ideas you have had.
If it is this easy to attribute feelings and intentions to non-humans - live or inanimate - can you see how much easier it is to attribute characteristics to humans?
2. The uniqueness of humans
When reading about research findings we are often tempted to say “but my family is/was not like that.” Or “that happened to me and I grew up okay.” You are correct, your family is/was not like that and you did/do make different decisions, but that does not mean the research is not correct.
Research results are the culmination of people studying many people. Research results reflect the “average,” not the specific. You should know that in statistics there is a factor called the standard deviation and it reflects the variance around the standard or norm. For example, the average IQ is 100 but there is a standard deviation of about 15 [depending on the test used] which means that the average IQ is anywhere between 85 and 115.
Most of what is studied in humans falls into a “normal” distribution – with a standard deviation. Therefore you can be somewhat different from the characteristic noted and still be “normal.” Or it is entirely possible that you and/or your family are very different. That means you fall outside the standard deviation. That is not a “bad” thing – and it may be a very good thing – like an IQ of 150 is outside the norm but is considered a “good” number. Nothing about research findings indicates bad v. good....all research does is point out an average range and variations....differences have no goodness/badness values!
So when you read about research, remember it’s all about the numbers….not the individual people.
Thursday, September 08, 2005
Monday, August 29, 2005
Welcome to Spanning Life
Our lifespans are increasing and so is our knowledge about what goes on between conception and death. When I was in Graduate School, courses called Developmental Psychology were mostly about children - birth to adolescence. There were few books on other parts of the life span. One Psychologist I knew used to say that as psychologists aged; we'd be studying more about older people. That has been true. Psychology is a youngish science itself - and now that those of us who were in the field of Developmental Psychology are "old" we are more and more interested in the aging process.
Way back when, I did infancy research and many were surprised that anyone wold study infants. Now one can find classes and books not only on infant development per se; but on it's many many aspects such as: infant perception, infant speech, infant socialization etc. My humerus response to this increase in knowledge is that I am glad I am not in graduate school anymore.
But it is important to know some of it - though not all - and this blog will be more or less the course I would teach if I were not having to use a textbook. Think of it as a LifeSpan Development course for the non-psych major...
Way back when, I did infancy research and many were surprised that anyone wold study infants. Now one can find classes and books not only on infant development per se; but on it's many many aspects such as: infant perception, infant speech, infant socialization etc. My humerus response to this increase in knowledge is that I am glad I am not in graduate school anymore.
But it is important to know some of it - though not all - and this blog will be more or less the course I would teach if I were not having to use a textbook. Think of it as a LifeSpan Development course for the non-psych major...
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