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Advantage: It is a quick and easy way of choosing participants for a study as it is based on convenience. Disadvantage: It may not be representative of the target population, potentially producing a sampl...

Firstly, the biological approach assumes that human behaviour can be explained in terms of genes, hormones, evolution and the nervous system hence there is a focus on nature rather than nurture. Secondly...

The social exchange theory relates to relationships. The theory proposes that relationships are based on weighing up the costs and benefits, and if the costs outweigh the benefits, the relationship will r...

In A2 psychology the most important part of an essay is the evaluations. Marks for this section can be boosted by making sure that the evaluations are relevant, clearly expressed and linked back to the qu...

Within Psychology there are a variety of different approaches, i.e, the Biological approach, Behaviorism approach etc. As a result of this different Psychologists from each branch will favor the side that...