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Multiple Comparison Tests

Multiple Comparison Tests

Multiple comparison test, abbreviated as MCT, is a post hoc analysis generally performed after comparing multiple samples with one or more tests. An MCT will help identify a significantly different sample among multiple samples or a factor among multiple factors.
It would be easy to compare two samples using a significance alpha level of 0.05. In other words, there is only one sample pair to be compared. However, it would be difficult to identify a significantly different sample if the number...

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Development and Validation the Mobile Toolbox (MTB) Spelling Test.

E LaForte¹, S R Young, E M Dworak

¹Stephanie Ruth Young, 625 N. Michigan Ave., 21st Floor Chicago, IL 60611, United States.

The Journal of Prevention of Alzheimer'S Disease

|November 19, 2024

Summary

This summary is machine-generated.

The Mobile Toolbox (MTB) Spelling test offers a reliable and valid remote assessment of English spelling. This digital tool shows promise for Alzheimer's disease and related dementias (ADRD) research by overcoming traditional assessment barriers.

Keywords:

aging cognitive assessment mHealth apps spelling

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Area of Science:

Cognitive assessment
Neuroscience
Digital health

Background:

Spelling assessments are key indicators of cognitive change in Alzheimer's disease and related dementias (ADRD).
Existing commercial assessments are often costly and require in-person administration, hindering ADRD research.
The National Institute on Aging (NIA)-funded Mobile Toolbox (MTB) provides remote, self-administered cognitive measures, including a new Spelling test.

Purpose of the Study:

To detail the design, piloting, calibration, and validation of the MTB Spelling test.
To establish the utility of a novel, remotely administered spelling assessment for cognitive research.

Main Methods:

Cross-sectional studies including a pilot, calibration, and three validation phases.
Remote and in-lab administration of the MTB Spelling test to diverse U.S. population samples stratified by demographics.
Concurrent administration of established cognitive measures (NIH Toolbox, WIAT-IV) to assess convergent and divergent validity.

Main Results:

The MTB Spelling test demonstrated strong internal consistency (r=.79–.83) and convergent validity (r=.56–.81).
Evidence of discriminant validity (r=.23–.36) and acceptable test-retest reliability (ICC=.63) was found.
Correlations with normal cognitive aging were observed (r=-.06–-.04).

Conclusions:

The MTB Spelling test is a reliable and valid measure of English spelling for general populations.
The digital assessment shows significant potential for advancing Alzheimer's disease and related dementias (ADRD) research through accessible remote testing.