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Milgram completed research on obedience on 40 male participants between the ages of 20 and 50. He had them give electric shocks to a "learner", who was tasked on learning word pairs, every time ...

Confirmation bias refers to when testing is directed towards the proving of an already existing hypothesis, as opposed to researching information in a non-biased objective way that may result in evidence ...

Longitudinal studies (sometimes called prospective studies) follow the same group of individuals over time, typically months or years. Longitudinal studies are employed to investigate a wide range of issu...

A nomothetic approach studies a sample in order to formulate general principles of behaviour.A limitation of this approach is that it cannot generate rich and in-depth research on single cases.