Establishing parallel and scalar measures of executive and semantic demand: an online norming study of matched, cross-domain judgement tasks
Task demand has a long-standing history in experimental psychology, with numerous investigations of the capacity of different systems and processes under varying cognitive load. Whilst demand is a broadly used term in the literature, it is limited by a lack of cross-domain operationalisation, and thus can be a confound in many inter-domain investigations. To address this, we generated and…
Task demand is a well-established concept in experimental psychology, where researchers examine how various systems and processes respond to different levels of cognitive load. However, the term is not standardized across different cognitive domains, which can lead to confounding results when comparing studies. In a recent study, researchers developed and validated two extensive stimulus sets that can measure cognitive demand across a wide range of behaviors.
These stimuli can be directly compared across two distinct cognitive domains: semantic and visuospatial processing. The researchers conducted a large-scale online study of healthy adults to establish baseline measures of cognitive demand. By using an algorithm that considers both speed and accuracy, they paired each semantic judgement trial with a similarly challenging visuospatial trial, creating a cross-domain matched set of over 400 items.
The analysis of these stimuli revealed insights into the factors that contribute to cognitive demand.
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