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We developed a model to account for variation in the quality of sibling relationships across a 4-year span from middle childhood to early adolescence. We tested this model on a sample of 71 families, in which older siblings' ages ranged from 6 to 11 years, and those of younger siblings ranged from 4 to 9 years. We also assessed continuity and discontinuity(More)
OBJECTIVE The purpose of this study was to examine the contributions of child temperament, parents' alcohol use norms for their children and parent-child relationship quality to children's alcohol use norms. METHOD Observational and self-report data on these variables were gathered from mothers, fathers and target children during home visits to a(More)
Dating experiences, especially the type or stage of dating, have consistently been found to be related to premarital sexual behavior. Findings regarding the age at 1st date and sexual behavior have been less consistent. This paper examined the age at which dating began and the type of dating relationship as correlates of premarital sexual attitudes and(More)
Tail autotomy is a defense against predators used by many lizard species but is associated with various costs, most of which have been measured only in the laboratory. We conducted a field experiment in which we induced tail autotomy to approximately half (58%) of a marked sample (n=326) of Uta stansburiana from western Texas in the fall, and left the other(More)
OBJECTIVE To determine whether prior success in recruiting African Americans to an in-house cancer genetics registry could be duplicated when recruiting to a national registry requiring a significantly increased level of commitment. Additionally, to determine which recruitment sources and practices yielded the highest number of African American(More)
A growing body of research has linked the readership of women's beauty and fashion magazines with the development and perpetuation of anorexic behaviors in some young women. Although we know the link exists, little is known about the actual cognitive processes and the ways in which at risk women "use" these magazines to internalize the impossible thin ideal(More)
The first purpose of this study was to examine contemporaneous and longitudinal associations of maternal and paternal measures of family functioning with observational and self-report assessments of sibling conflict. The second purpose was to determine whether the ways in which families attempt to solve siblings' problems are associated with contemporaneous(More)
In this study we examined associations of 4 paternal direct and differential behaviors with concurrent and longitudinal assessments of sibling relationships, as well as the unique contributions of mothers' and fathers' behavior to the sibling relationship variables. Observational assessments of maternal and paternal direct and differential behavior, as well(More)
Tungsten nanogratings with sub-100nm linewidths and subwavelength periods are fabricated by laser-induced chemical vapor deposition using a single 400 nm femtosecond pulsed laser beam without any beam shaping. Combining advantages of parallel and direct-write processing, this method can produce various nanograting structures on a wide range of substrates in(More)
It has become a common practice among psychological researchers to administer batteries of individual difference assessments to research participants, although little is known about whether the substantive and psychometric integrity of the questionnaires are maintained when they are administered after the subject has completed other instruments. The studies(More)