The present study assessed 351 undergraduate subjects on dimensions of parental alcohol abuse, childhood family environment, childhood social support, current coping style, current negative life experiences, current psychological symptomatology, and current indices of drug and alcohol abuse. Results indicated that, while paternal alcohol abuse, in and of itself, was not related to any of the outcome measures, maternal alcoholism was correlated with one measure of alcohol abuse and three measures of drug abuse, and was independently predictive of a portion of the variance of one alcohol abuse measure among subjects. Early environmental factors (family environment and low levels of social support), as well as current coping style and current negative life experiences, were found to be related to psychological symptomatology and to indices of drug and alcohol abuse. coping style was also found to be related to early family environment and to childhood social support, suggesting that coping style may have its developmental roots in early environmental factors. An interaction between paternal alcohol abuse and disengagement coping style was shown to be predictive of a portion of the variance of subjects' alcohol abuse. Interactions between maternal alcoholism and low level of social support were predictive of a portion of the variance of subjects' drug abuse. / Master of Science