Biological Psychology

There are three basic assumptions of the Biological Approach:

• Human behavior explained hormones, genetics, evolution and the nervous system.
• Theory - If we can explain all behaviour using bioloical causes---> that unwanted behaviour could be modified or removed e.g medical treatments for mental illness.
• Experimental research conducted using animals can increase knowledge on human behaviour and biological influences due to biological similarities.

Biological research uses a variety of research methods

Experiments - establish cause and effect by comparing groups and anaylysing differences.For example - KRANTZ ET AL (1991) conducted a lab experiment - stress on heart. Experiments = useful…