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A mole is simply a number, an amount of something. Like when people refer to a dozen of eggs they mean 12 eggs, when someone says a mole of atoms they mean 6.022 x 10 23 atoms. A mole is simply defined as ‘t...

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-balancing: Controlling var...

Characteristics: - Lack of long-term/future planning. Makes poor decisions and is often impulsive - Getting aggressive and frequently getting into fights - Breaking the law/ codes of civilised behaviour. Lyi...

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 generalis...

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 it is that efficiency of production chan...