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Group versus individual administration affects baseline neurocognitive test performance.

Rosemarie Scolaro Moser¹, Philip Schatz, Katherine Neidzwski

¹Sports Concussion Center of New Jersey, 3131 Princeton Pike, Lawrenceville, NJ 08648, USA. moserrs@comcast.net

The American Journal of Sports Medicine

|August 11, 2011

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Group neurocognitive testing for athletes may lead to lower scores in memory and processing speed compared to individual testing. This setting can introduce errors, negatively impacting baseline performance documentation.

Area of Science:

Sports Medicine
Neuropsychology
Cognitive Assessment

Background:

Computer-based neurocognitive tests are crucial for documenting athletes' baseline function.
Group administration is common, but its impact on test performance is under-researched.

Purpose of the Study:

To investigate if group neurocognitive testing affects athlete performance compared to individual testing.

Main Methods:

A cohort study (Level of evidence, 3) involving high school athletes.
Athletes completed the ImPACT test battery either in groups or individually.
Demographics and medical history were controlled for between groups.

Main Results:

Group-tested athletes showed significantly lower scores in verbal memory, visual memory, motor processing speed, and reaction time.

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The rate of invalid baseline tests was higher in the group setting.

Results persisted after excluding athletes with ADHD/LD or concussion history.

Conclusions:

Group administration of baseline neurocognitive tests may negatively impact athlete performance due to extraneous errors.
Individual testing may provide more accurate baseline neurocognitive data for athletes.