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open access

Depression and Heart Rate Variability in Patients with Coronary Artery Disease

Description: Depression is an independent risk factor for morbidity and mortality in patients with coronary artery disease (CAD). Altered autonomic nervous system (ANS) activity, a common feature of depression, is also a risk factor for cardiac events in patients with CAD. Heart rate variability (HRV) reflects ANS activity, and reduced HRV predicts morbidity in cardiac populations. The purpose of this study was to determine whether differences in HRV exist between depressed and nondepressed patients with CA… more
Date: December 1994
Creator: Saunders, Roger D. (Roger Dean)
Partner: UNT Libraries
open access

The Effect of Memory Requirement on Schema Learning

Description: A number of previous investigations have suggested that schema learning would be more readily facilitated by a recognition task than a reproduction task due to the increased memory requirement of the reproduction task. Differential memory requirements of 0, 4, 8, 16 and 32 seconds were imposed on 50 Ss in a recognition task to determine if increased memory requirements improved schema learning in the same mode as the reproduction task. The results indicated no significant improvement in schema … more
Date: May 1973
Creator: Buckner, Rose Laminack
Partner: UNT Libraries
open access

Predictive Validity of the Retail Employment Inventory for the Selection of Over-the-Road Truck Drivers

Description: An independent pilot study suggested that the Retail Employment Inventory (REI) might be predictive of subjectively and objectively measured Over the Road (OTR) truck driver performance. The present validation study consisted of three parts. First, an examination of the relationship between REI scores and 11 objective, performance criteria revealed weak and non-significant correlations. Second, a comparison of subjective ratings and REI scores failed to replicate the findings of the pilot study… more
Date: May 1988
Creator: Nygren, Richard Edwin, 1964-
Partner: UNT Libraries
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