Development and validation of a novel Context-Based Prospective Memory Task among neurotypical adults.
Dasmine Fraclita D'Souza, Sharon Ashley, Gagan Bajaj and 2 others
PMID 38747747WHAT IT FOUND
The novel Context-Based Prospective Memory Task, a virtual shopping mall assessment for young adults, showed strong reliability and validity against the MIST.
It accurately measures event and time-based memory with error analysis, offering a culturally relevant tool for Indian clinical populations.
Key findings
01The task demonstrated strong internal consistency and reliability, with a Cronbach’s alpha of 0.86 and high inter-rater agreement.
02Performance on the new task correlated strongly with the established MIST, showing good convergent validity for identifying memory errors.
03Content validation by experts and young adults yielded a high validity index of 0.98, confirming the task's clarity and appropriateness.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
The study was conducted only with neurotypical young adults (18-25 years), so its validity and reliability for older adults or clinical populations with cognitive impairments are not yet established. The task relies on a specific cultural context (a shopping mall familiar to the Indian participants), which may not generalize to other populations without adaptation. The study did not explore the ongoing task accuracy or the 'ongoing cost' (the decline in primary task performance due to memory load), which are important for understanding real-world multitasking deficits.
Declared interests
The authors declared no conflicts of interest.
The easy way to misread this
Do not assume this tool is ready for use with elderly patients or those with diagnosed dementia, Parkinson's, or brain injury. The study only validated the task in neurotypical young adults, and the authors explicitly state that discriminant validity in clinical populations is a future direction.