Reliability of the Random Number Generation Test of Attentional Deployment

Marisi, Dan Q.; Travlos, Antonios K.

doi:10.2466/pms.1992.74.3c.1026

Percept Mot Skills

1992

DOI: 10.2466/pms.1992.74.3c.1026

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Reliability of the Random Number Generation Test of Attentional Deployment

Dan Q. Marisi

Antonios K. Travlos

Abstract: This study examined the performance and internal consistency reliability of the Random Number Generation test of attention over repeated trials. Performance remained stable when the first trial was omitted from the analysis, while reliability coefficients ranged from 0.67 to 0.78.

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1996

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Elevation of Core Temperature and Mental Functioning

Travlos

Marisi

1996

Percept Mot Skills

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The purpose of this study was to investigate whether raised core temperature due to gradually increased amounts of exercise affects concentration and speed of information processing, 20 paid men, separated into groups of high (> 56 ml/kg/min.) and low fitness (< 46 ml/kg/min.) according to their maximal oxygen uptake (VO2max), participated in two experimental conditions (exercise and control). Concentration was measured by the Random Number Generation test of attentional deployment given every 10 min. of cycling at workloads calculated as 40, 50, 60, 70, and 80% of individual VO2max values and 10 min. after exercise cessation (exhaustion). Speed of information processing was estimated by an eight-choice reaction time/movement time task given before and after exercise and 15 min. after exercise cessation. Core temperature was recorded at the same time individuals were administered the psychological tests. Analyses indicated that core temperatures increased significantly as a function of exercise intensity for high and low fitness groups. Correlations among the psychophysiological factors indicated that increases in core temperature were not associated with mental functioning. However, at certain core temperatures, core temperature and average choice reaction time/movement time were associated with participants' fitness.

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Elevation of Core Temperature and Mental Functioning

Travlos

Marisi

1996

Percept Mot Skills

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Reliability of the Random Number Generation Test of Attentional Deployment

Abstract: This study examined the performance and internal consistency reliability of the Random Number Generation test of attention over repeated trials. Performance remained stable when the first trial was omitted from the analysis, while reliability coefficients ranged from 0.67 to 0.78.

Cited by 1 publication

References 3 publications

Elevation of Core Temperature and Mental Functioning

Elevation of Core Temperature and Mental Functioning

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