DOI: 10.11648/j.ajap.20261504.15 ISSN: 2328-5672

The “Inhibition” in “Execution”: Exploring the Predictability of Performance in the Wisconsin Card Sorting Test by the Go/Nogo Paradigm

Arinjoy Bhattacharjee, Sanjukta Das
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Miyake et al., (2000) categorized executive functions into set shifting, updating and responses inhibition. The Wisconsin Card Sorting Test is understood as a “gold-standard” of executive function tasks, but however, it does not provide information on the different executive processes and treats it as a unifactorial construct. It has been established that set shifting best predict performance in the WCST, but little is known about inhibitory control. We aimed to see if there is any predictive relationship between the assessment of inhibitory control abilities through a Go/Nogo Task and the measurement of executive functions through WCST. Data from the participants (n=30) was collected through a purposive sampling design and was scored manually. Statistical analyses were conducted and the obtained findings were discussed in the light of the existing literature. Our findings reveal that the Nogo Errors had a significant effect in predicting almost 30% of variation in the number of incorrect responses, 24% of variation in the perseverative responses, 22% of variation in the perseverative errors, 20% of variation in the non-perseverative errors, 22% of variation in the conceptual level responses and 15% of variation in the number of categories completed but not number of trials needed to complete the first category; and Go Reaction Time had a significant effect in predicting 30% of variation in the probability of failure to maintain set.

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