Results 211 to 220 of about 559,013 (263)

Instrumental variables: to strengthen or not to strengthen?

Journal of the Royal Statistical Society Series A: Statistics in Society, 2023
Abstract Instrumental variables (IVs) are extensively used to handle unmeasured confounding. However, weak IVs may cause problems. Many matched studies have considered strengthening an IV through discarding some of the sample. It is widely accepted that strengthening an IV tends to increase the power of non-parametric tests and ...
Siyu Heng   +4 more
openaire   +1 more source

Strengthening Aqueous Electrolytes without Strengthening Water

Angewandte Chemie International Edition, 2023
AbstractAqueous electrolytes typically suffer from poor electrochemical stability; however, eutectic aqueous solutions—25 wt.% LiCl and 62 wt.% H3PO4—cooled to −78 °C exhibit a significantly widened stability window. Integrated experimental and simulation results reveal that, upon cooling, Li+ ions become less hydrated and pair up with Cl−, ice‐like ...
Longteng Tang   +13 more
openaire   +2 more sources

Strengthening mindfetalness

Sexual & Reproductive Healthcare, 2012
Pregnant women have varying degrees of awareness of their unborn baby's fitness. A challenge for midwives is to strengthen awareness and use the information from the unborn baby's mother to increase the possibility for a healthy baby to be born. A special kind of mindfulness, here referred to as mindfetalness are suggested to be a concept to use in ...
openaire   +2 more sources

Strengthening Research in Europe

Science, 2002
E urope's future prosperity depends heavily on the next generation of researchers. Yet even as Europe coalesces around big ideas such as the European Research Area and a single currency, its academic system remains fragmented.
Enric, Banda   +2 more
openaire   +2 more sources

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