the biological approach

• Explains how we think feel and behave in terms of physical factors within the body.
• Investigates how biological structures and processes within the body impact our behavior
• Much of human behavior has a psychological cause which may be genetically or environmentally altered.
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  This is extremely “nature” on the nature vs nurture
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  Psychologists should study the brain, nervous system and other biological systems (e.g. hormones and chemicals) acting on the brain.

   
• The biological approach is rooted in science and uses extremely scientific methods