... These include making inferences from the analysis of error patterns; making inferences from the analysis of reaction times (these are both used in experimental studies) and the use of computer simulations. Best also highlights the issue of ecological validity - as the laboratory is employed in many research studies, the findings may not have much connection with how cognitive systems function in the real world. This is important as it influences the areas of interest cognitive psychologists study in their experiments. Groome (1999) identifies three main approaches - experimental psychology, computer modelling and cognitive neuroscience. Experimental psychology involves the use of human subjects in controlled environments (i.e. laboratories) to test hypotheses. Computer modelling makes use of computer programs in order to test out models of brain function, and cognitive neuroscience looks at the differences in brain activity during specific cognitive tasks. Sekuler and Blake (1994) also identify three main approaches - psychological, ...

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