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Elimination: Removal of the extraneous variable (e.g. noise)

Constancy: Keeping the extraneous variable constant between two or more conditions (e.g. equal levels of noise)

Counter-bal...

Characteristics:

-       Lack of long-term/future planning. Makes poor decisions and is often impulsive

-       Getting aggres...

Generalisability & participant sample: Can the results be generalised and applied to larger settings or populations? Is the participant sample small (less than 20 participants) or large (better ge...

Economies of scale and scope

The concept of economies of scale were introduced by Adam Smith as a part of his famous works on division of labour. The main idea behind i...

The nervous system and endocrine system work together to maintain a state of constancy in the body's internal environment despite changes in the external environment. The effect of both systems is ach...