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Both one-tailed and two-tailed hypothesis are examples of alternative or experimental hypothesis, which predict there will be a psychological effect. A one tailed hypothesis, also known as a directional h...

The cognitive interview is an interview technique used in order to aid memory and improve accuracy of eye witness statements. The interview consists of four aspects: 'recall everything', 'reverse the orde...

AO1 -40 male participants2 confederates - Experimenter and learnerLearning task - 15V increment shock300V = heard screaming 100% reached this65% reached 450V fatal shockPrompts and prods throughout - the ...

Firstly, a strength of the psychodynamic approach is that it reflects the complexity of human behaviour, it recognises that there are innate drivers in human behaviour such as the 'id', as well as the imp...

Systematic sampling refers to a way of choosing participants for a study by taking a list of all participants in a population and choosing every nth number from the list. For example, every 10th or 15th p...