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What are some methods of control in experiments?

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...
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Answered by Alice P. • Psychology tutor
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Describe the characteristics and biological causes of APD (Antisocial Personality Disorder).

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...
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Answered by Alice P. • Psychology tutor
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What are some KEY evaluation points for psychological studies?

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...
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Answered by Alice P. • Psychology tutor
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What are economies of scale and scope?

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...
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Answered by Jakub C. • Economics tutor
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What are the differences between the nervous and endocrine systems in maintaining homeostasis?

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 achieved b...
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Answered by Danielle S. • Biology tutor
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