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Functionalism is a sociological perspective of why society functions in the way it does. It is a structuralist theory which means it focuses on the main structures of society, such as law and education. It i...

The biological approach to psychology shows us as a product of our genetics. It also focuses on physiology, including the way the brain works, hormones and the nervous system.

There are two main learning processes, operant conditioning and classical conditioning. Operant conditioning is a learning process where the frequency of a certain behaviour is modified according to the beha...

Different phenotypes can be generated without changes to the genotype through a process called Epigenetics. Epigenetics, meaning “above genes”, is the study of changes to the phenotype caused by changes in g...

For a trait to evolve, firstly, there has to be genetic variation among individuals, which will lead to differences in phenotype and cause differences in fitness in a particular environment. These difference...