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Updated: Feb 20, 2026

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Reliability and Concurrent Validity of Select C3 Logix Test Components.

Madeline Simon1, Arthur Maerlender2, Katelyn Metzger1

  • 1a New Hampshire Musculoskeletal Institute , Manchester , New Hampshire.

Developmental Neuropsychology
|October 26, 2017
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Summary
This summary is machine-generated.

The instrumented Balance Error Scoring System test shows excellent reliability for balance assessment. Neurocognitive tests from C3 Logix also demonstrate good validity against traditional measures.

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Area of Science:

  • Neuroscience
  • Sports Medicine
  • Rehabilitation

Background:

  • The Balance Error Scoring System (BESS) is a common clinical tool for assessing postural stability.
  • Neurocognitive assessments are crucial for evaluating brain function after injury.
  • Validating new assessment tools is essential for accurate clinical decision-making.

Purpose of the Study:

  • To determine the one-week and within-session reliability of the instrumented Balance Error Scoring System (iBESS) test.
  • To assess the concurrent validity and one-week reliability of two C3 Logix neurocognitive tests (Trails A, Trails B, Symbol Digit Modality Test).

Main Methods:

  • Thirty-seven participants underwent two iBESS tests.
  • Participants completed C3 Logix neurocognitive tests (Trails A, Trails B, Symbol Digit Modality Test) and paper-and-pencil versions.
  • Assessments were separated by a one-week interval.

Main Results:

  • The iBESS demonstrated strong one-week reliability.
  • The C3 Logix neurocognitive tests exhibited acceptable concurrent validity when compared to standard paper-and-pencil measures.

Conclusions:

  • The instrumented Balance Error Scoring System is a reliable tool for balance assessment.
  • C3 Logix neurocognitive tests offer a valid digital alternative to traditional neuropsychological testing.