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Teachers developing assessment for learning: impact on student achievement

While it is generally acknowledged that increased use of formative assessment (or assessment for learning) leads to higher quality learning, it is often claimed that the pressure in schools to improve the results achieved by students in externally‐set...

Effects of Volunteering on the Well-Being of Older Adults

Objectives. This study tests the effects of volunteering on the well-being of older adults, including the effect of level of engagement, the moderating effects of demographic and social factors, and the effects of the nature of the volunteer experience....

Ownership and Control of German Corporations

In a study of the ownership of German corporations, we find a strong relation between board turnover and corporate performance, little association of concentrations of ownership with managerial disciplining, and only limited evidence that pyramid structures...

Survivorship of cemented total knee arthroplasty.

Font-Rodriguez De, Giles R. Scuderi

Structure of RGS4 Bound to AlF4−-Activated Giα1: Stabilization of the Transition State for GTP Hydrolysis

RGS proteins are GTPase activators for heterotrimeric G proteins. We report here the 2.8 A resolution crystal structure of the RGS protein RGS4 complexed with G iα1 –Mg 2+ –GDP–AlF 4 − . Only the core domain of RGS4 is visible in the crystal....

Mitochondria, free radicals, and neurodegeneration.

A central role for defective mitochondrial energy production, and the resulting increased levels of free radicals, in the pathogenesis of various neurodegenerative diseases is gaining increasing acceptance. Defects in energy metabolism may contribute...

Mechanisms of flood tolerance in plants

W. Armstrong, R. Brändle, Michael B. Jackson

Single-breath nitric oxide measurements in asthmatic patients and smokers

M.G. Persson, Lars E. Gustafsson, O. Zetterström, V. Agrenius, Elisabeth Ihre

Differential Activation of Cyclophosphamide and Ifosphamide by Cytochromes P-450 2B and 3A in Human Liver Microsomes

J The present study identifies the specific human cytochrome P-450 (CYP) enzymes involved in hydroxylation leading to activation of the anticancer drug cyclophosphamide and its isomeric analogue, ifospha- mide. Substantial interindividual variation (4-9-fold)...

Starch Crystal Transformations and Their Industrial Importance

Starch Crystal Transformations and Their Industrial Importance

Attribution and the psychology of prediction.

Richard E. Nisbett, Eugene Borgida

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