Mechanistic animal growth models can incorporate a description of the genotype as represented by underlying biological traits that aim to specify the animal's genetic potential for performance, independent from the environmental factors captured by the models. It can be argued that these traits may therefore be more closely associated to genetic potential, or components of genetic merit that ar...

OBJECTIVE Cocaine dependence is a major international public health concern. Its chronically relapsing nature is possibly related to craving intensity, which can be influenced by diverse biological and psychological aspects. This study aimed to evaluate the role of different personality traits in craving measured throughout a psychosocial treatment program. METHOD The sample comprised 66 coca...

Psychopathic personality traits are associated with risky sexual behavior (RSB), which itself is associated with various negative consequences. The present study extended previous cross-sectional research by examining whether psychopathic personality traits predicted RSB among women and whether these traits moderated associations between RSB and post-RSB psychological adjustment. Seventyseven f...

OBJECTIVES This study compared the personality traits of entry-level occupational therapy students before and after their participation in 2 years of academic and clinical education in order to examine the change of traits in their professional personality profile. METHOD Forty-nine occupational therapy students completed the 18 scales of the California Psychological Inventory during their fi...

LINK Background & Aims: Rectal pain sensitivity has been called a biological marker for irritable bowel syndrome, but this conclusion may be premature. This article is a critical review of the evidence for psychological influences on perception. Methods: The world literature accessible through Index Medicus from 1973 to 1997 was systematically reviewed. Results: Evidence favoring a biological b...

in order to evaluation the effect of mixed cropping on yield and agronomical characteristics of wheat (triticum aestivum l.) varieties, a field experiment based on a randomized complete block design with four replications was carried out at city of mahvelat in khorasan razavi province, iran, during growing season of 2007-2008. treatments including five sole cultures of conventional wheat cultiv...