At the start of the twentieth century, early experimental psychologists relied heavily on introspection to investigate conscious mental states. However, in the 1910s, a new movement rejected this subjective focus, arguing that a true science of psychology must limit itself to the study of observable and measurable behavior. This behavioral focus remained dominant for decades until the 1950s, when the development of digital computers prompted a massive transition toward studying internal mental processes using information-processing models.
Using the text above, explain what is meant by a paradigm shift.
Practise AQA A Level Psychology Scientific processes with exam-style questions for A Level Psychology. 689 questions, matched to the AQA A Level Psychology (7182) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.