Investigating the role of two types of understanding in relationship well-being: Understanding is more important than knowledge

Understanding is at the heart of intimate relationships. It is unclear, however, whether understanding-partners' subjective feeling that they understand each other-or knowledge-partners' accurate knowledge of each other-is more important for relationship well-being. The present article pits these two types of understanding against each other and investigates their effects on relationship well-being. In a prospective study among 199 newlywed couples, partners' self-reported and perceived understanding and their knowledge in different domains were assessed. Understanding was independent of knowledge. Self-reported and perceived understanding predicted relationship well-being but neither type of knowledge did. Thus, subjectively feeling that one understands and is understood by one's partner appears to be more important to relationship well-being than actually knowing and being known by one's partner. © 2009 by the Society for Personality and Social Psychology, Inc

Product consistency leach tests of Savannah River Site radioactive waste glasses

The Product Consistency Test (PCT) is a glass leach test that was developed at the Savannah River Site (SRS) to routinely confirm the durability of nuclear waste glasses that will be produced in the Defense Waste Processing Facility. The PCT is a 7 day, crushed glass leach test in deionized water at 90{degree}C. Final leachates are filtered and acidified prior to analysis. To demonstrate the reproducibility of the PCT when performed remotely, SRS and Argonne National Laboratory have performed the PCT on samples of two radioactive glasses. The tests were also performed to compare the releases of the radionuclides with the major nonradioactive glass components and to determine if radiation from the glass was affecting the results of the PCT. The test was performed in triplicate at each laboratory. For the major soluble elements, B, Li, Na, and Si, in the glass, each investigator obtained relative precisions in the range 2--5% in the triplicate tests. This range indicates good precision for the PCT when performed remotely with master slave manipulators in a shielded cell environment

Evaluation of liquid metal embrittlement of SS304 by Cd and Cd-Al solutions

The susceptibility of stainless steel 304 to liquid metal embrittlement (LME) by cadmium (Cd) and cadmium-aluminum (Cd-Al) solutions was examined as part of a failure evaluation for SS304-clad cadmium reactor safety rods which had been exposed to elevated temperatures. The active, or cadmium (Cd) bearing, portion of the safety rod consists of a 0.756 in. diameter aluminum allow (Al-6061) core, a 0.05 in. thick Cd layer, and a 0.042 in. thick Type 304 stainless steel cladding. The safety rod thermal tests were conducted as part of a program to define the response of reactor core components to a hypothetical LOCA for the Savannah River Site (SRS) production reactor. LME was considered as a potential failure mechanism based on the nature of the failure and susceptibility of austenitic stainless steels to embrittlement by other liquid metals

Same-Gender and Cross-Gender Likeability: Associations With Popularity and Status Enhancement: The TRAILS study

This study examined the associations of popularity, substance use, athletic abilities, physical attractiveness, and physical and relational aggression with likeability by same-gender and cross-gender peers among early adolescents (N = 3,312; M age = 13.60, with 92.7% of the participants in the 12-14 age range). Data collection consisted of peer nominations in 172 classrooms of 34 secondary schools. Taking a goal-framing perspective, it was argued that key to understanding the association between popularity and likeability is the distinction between features that help to achieve popularity and features that help to maintain popularity. In support of our hypotheses, popularity and substance use, athletic abilities, and physical attractiveness (characteristics that help to become popular) contributed significantly to likeability, whereas physical and relational aggression (characteristics that help to maintain popularity) negatively predicted likeability. These specific nature of these effects depended on the reference group (same-gender vs. other-gender peers) and were further moderated by popularity.

Cortisol reactions in five-year-olds to parent-child interaction: The moderating role of ego-resiliency

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