Accession Number:

ADA374904

Title:

The P3OO Component of the Auditory Event-related Potential: Interlaboratory Consistency and Test-retest Reliability

Descriptive Note:

Final rept. Oct 1988-Sep 1989

Corporate Author:

NAVY PERSONNEL RESEARCH AND DEVELOPMENTCENTER SAN DIEGO CA

Report Date:

1991-03-01

Pagination or Media Count:

47.0

Abstract:

The auditory evoked potential in a signal classification task using rare and frequent tones was measured by four independent laboratories, to assess the test retest reliability and interlaboratory consistency of the P300 components Across laboratories, 61 male subjects three samples of military subjects, n25, n18, and n8 one sample of college students, n10, ranging between 18 and 49 years of age were tested. With few exceptions, all experimental and subject factors were controlled. At each of three electrode sites Fz, Cz, and Pz, peak amplitude, peak latency, and root mean square amplitude RMS, of the P300 were computed for each subject in test and retest conditions. Statistical analyses of the data supported three strong inferences 1 test retest reliability and inter-laboratory consistency of P300 measures is high for RMS amplitude, lower for peak amplitude, and lowest for peak latency 2 recordings from site Pz provide tougher reliability and consistency than sites Fz or Cz 3 the RMS amplitude of 1,300 is negatively correlated with reaction time to correctly classify rare tones. The data support the notion that ERP components, such as 1,300, can be reliably measured by different laboratories, with a test retest correlation coefficient of 0.8 or higher.

Subject Categories:

  • Psychology
  • Acoustics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE