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Related Experiment Video

Updated: Jun 25, 2026

Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach

Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach

Published on: February 14, 2014

Mobile toolbox (MTB) remote measures of executive function and processing speed: development and validation.

Miriam A Novack¹, Stephanie Ruth Young¹, Elizabeth M Dworak¹

¹Department of Medical Social Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.

Journal of the International Neuropsychological Society : JINS

|July 11, 2024

Summary

This summary is machine-generated.

The Mobile Toolbox (MTB) offers reliable smartphone-based cognitive assessments for Executive Functioning (EF) and Processing Speed (PS). These measures demonstrate strong validity for remote, self-administered use across adult age groups.

Keywords:

Cognition NIH Toolbox executive function mobile assessment processing speed validation

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Last Updated: Jun 25, 2026

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Area of Science:

Cognitive psychology
Digital health
Psychometrics

Background:

Smartphones enable remote monitoring of cognitive skills.
The Mobile Toolbox (MTB) is a novel system for assessing Executive Functioning (EF) and Processing Speed (PS).
Measures include Arrow Matching, Shape-Color Sorting, and Number-Symbol Match.

Purpose of the Study:

To evaluate the psychometric properties of the MTB measures.
To assess the reliability and validity of smartphone-administered cognitive tests.

Main Methods:

MTB measures were adapted from the NIH Toolbox® (NIHTB) for smartphone use.
Three studies involved participants aged 18-90, with lab-based and remote administration.
Psychometric properties were evaluated through internal consistency, test-retest reliability, and correlations with NIH TB and external measures.

Main Results:

All MTB measures showed high internal consistency and strong test-retest reliability.
Correlations with comparable NIHTB tests were moderately high, and with external measures, moderate.
Phone OS impacted performance but not validity or reliability.

Conclusions:

The MTB measures for EF and PS are reliable and valid for remote, self-administered use.
These tools support cognitive skill assessment across the adult lifespan.