While we often talk about personality, psychologists disagree on what exactly constitutes personality.

• Classical conditioning: A behavioural technique where a natural stimulus is paired with a previously neutral stimulus. The previously neutral stimulus eventually cause the response without pairing it to the natural stimulus.
• Operant conditioning: A...

A trait is a stable characteristic or "blueprint" that causes specific behavioural patterns.

• Biological Theories suggest genetics are responsible for personality traits.
• Behavioural Theories suggest that personality is the result of interaction between the individual and the environment.
• Psychodynamic Theories of ...

• Experimental methods are used by researchers to control and manipulate the variables of interests and then to measure the results. The ideas are internal, abstract, and difficult to measure.
• Case studies and self-report methods. Case studies rely o...

• Personality is organized and consistent.
• Personality is generally stable, but the environment can influence it. A shy personality in social situations might take charge and be more outspoken in an emergency.
• Personality causes beha...