Is psychology just observable common sense rather than a scientific explanation of human behaviour?

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Lisa Terry

Year 14

Is psychology common sense or scientific?

Department of Psychology

AS Level

Year 14

Miss A George

Lisa Terry

‘Is psychology common sense or scientific?

2004-2005

Is psychology just observable common sense rather than a scientific explanation of human behaviour?

“Psychology is the scientific study of mind, brain and behaviour. Some of what you do learn may seem like ‘common sense’, or at least familiar to you because you are learning about topics in which you can relate to. However some things you may believe is true, but is incorrect. The way we know this is through the application of scientific methods.”

Mark Leary suggests that the subject matter of psychology is much more familiar to most people than is the subject matter of physics or biology; we see behaviour all around us. Psychology would be an odd science of thought and behaviour if it only considered thoughts and behaviours completely foreign to people’s experiences, or if its finding always can counter to most people’s beliefs. Many people believed whole-heartedly in flat Earths and cheese moons only to find their common sense views dismantled in the face of scientific evidence. This is the same with psychology. Although most people would like to believe that large rewards produce greater liking for a boring task, that the behaviour of men and women is determined by their biology or that absence makes the heart grow fonder. In short, the popularity of a common sense belief may not always support the weight of scientific evidence.

Psychologists are primarily engaged in the task of explaining behaviour, rather than merely cataloguing it. The difference between theory and description – “why” versus “what” – echoes the difference between science and common sense. Common sense certainly helps describe what takes place in behaviour, but doesn’t compel us to understand why it takes place. The development of theory in understanding behaviour sets science apart from everyday, common sense accounts.

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An example of this is; one of the simplest rules of behaviour is that if you reward someone for doing something, they are more likely to do it again (the principle of reinforcement. How many people out there actually verbalise this rule and use it consistently? Certainly not the mother who rewards her child’s tired tantrum in the street by buying them a toy or a magazine, nor the person who showers their partner with attention and affection when they are having a jealous sulk at a party.

If you take Milgram’s study of obedience, you can see ...

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