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Showing 1 to 12 of 603 entries
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A study of the generalizability of teacher change quasi-experiments

quasi-experiments

Stringfield S, Schaffer E.
GSID: GdelTZae4egJ
S Stringfield, E Schaffer, R Devlin-Scherer - The Journal of Classroom …, 1986 - JSTOR

… teacher effectiveness quasi experiments. Building on prior observational and correlational studies, several recent quasi-experiments (eg, … previous teacher effectiveness quasi-experiments, and would place substantial limitations on the practical inter pretation of those studies. …

A study of the generalizability of teacher change quasi-experiments

quasi-experiments

Stringfield S, Schaffer E.
GSID: SvB1-PLSVY0J
S Stringfield, E Schaffer, R Devlin-Scherer - The Journal of Classroom …, 2017 - JSTOR

… If replicated, that data would caff into question the magnitude of programinduced change in previous teacher effectiveness quasi-experiments, and would place substantial limitations on the practical interpretation of those studies. The current research was conducted to examine …

Biking practices and preferences in a lower income, primarily minority neighborhood: Learning what residents want.

Preventive medicine reports

Lusk AC, Anastasio A, Shaffer N, Wu J, Li Y.
PMID: 28879069
Prev Med Rep. 2017 Jan 20;7:232-238. doi: 10.1016/j.pmedr.2017.01.006. eCollection 2017 Sep.

This paper examines if, in a lower-income minority neighborhood, bicycling practices and bicycle-environment preferences of Blacks and Hispanics were different from Whites. During the summer of 2014, surveys were mailed to 1537 households near a proposed cycle track on...

Corrigendum: Observation of polar vortices in oxide superlattices.

Nature

Yadav AK, Nelson CT, Hsu SL, Hong Z, Clarkson JD, Schlepütz CM, Damodaran AR, Shafer P, Arenholz E, Dedon LR, Chen D, Vishwanath A, Minor AM, Chen LQ, Scott JF, Martin LW, Ramesh R.
PMID: 26934222
Nature. 2016 Jun 02;534(7605):138. doi: 10.1038/nature17420. Epub 2016 Mar 02.

No abstract available.

Tuning Perpendicular Magnetic Anisotropy by Oxygen Octahedral Rotations in (La_{1-x}Sr_{x}MnO_{3})/(SrIrO_{3}) Superlattices.

Physical review letters

Yi D, Flint CL, Balakrishnan PP, Mahalingam K, Urwin B, Vailionis A, N'Diaye AT, Shafer P, Arenholz E, Choi Y, Stone KH, Chu JH, Howe BM, Liu J, Fisher IR, Suzuki Y.
PMID: 28949659
Phys Rev Lett. 2017 Aug 18;119(7):077201. doi: 10.1103/PhysRevLett.119.077201. Epub 2017 Aug 14.

Perpendicular magnetic anisotropy (PMA) plays a critical role in the development of spintronics, thereby demanding new strategies to control PMA. Here we demonstrate a conceptually new type of interface induced PMA that is controlled by oxygen octahedral rotation. In...

Correlation-Driven Insulator-Metal Transition in Near-Ideal Vanadium Dioxide Films.

Physical review letters

Gray AX, Jeong J, Aetukuri NP, Granitzka P, Chen Z, Kukreja R, Higley D, Chase T, Reid AH, Ohldag H, Marcus MA, Scholl A, Young AT, Doran A, Jenkins CA, Shafer P, Arenholz E, Samant MG, Parkin SS, Dürr HA.
PMID: 27035314
Phys Rev Lett. 2016 Mar 18;116(11):116403. doi: 10.1103/PhysRevLett.116.116403. Epub 2016 Mar 18.

We use polarization- and temperature-dependent x-ray absorption spectroscopy, in combination with photoelectron microscopy, x-ray diffraction, and electronic transport measurements, to study the driving force behind the insulator-metal transition in VO_{2}. We show that both the collapse of the insulating...

The Relationship of Living Environment with Behavioral and Fitness Outcomes by Sex: an Exploratory Study in College-aged Students.

International journal of exercise science

Shaffer K, Bopp M, Papalia Z, Sims D, Bopp CM.
PMID: 28515831
Int J Exerc Sci. 2017 May 01;10(3):330-339. eCollection 2017.

Although physical activity (PA) is associated with several health benefits, there is a marked decline during college years, which is an influential period for the development of health behaviors. This study examined the relationship of neighborhood and living environment...

Magnetic Interactions at the Nanoscale in Trilayer Titanates.

Physical review letters

Cao Y, Yang Z, Kareev M, Liu X, Meyers D, Middey S, Choudhury D, Shafer P, Guo J, Freeland JW, Arenholz E, Gu L, Chakhalian J.
PMID: 26943550
Phys Rev Lett. 2016 Feb 19;116(7):076802. doi: 10.1103/PhysRevLett.116.076802. Epub 2016 Feb 17.

We report on the phase diagram of competing magnetic interactions at the nanoscale in engineered ultrathin trilayer heterostructures of LaTiO_{3}/SrTiO_{3}/YTiO_{3}, in which the interfacial inversion symmetry is explicitly broken. Combined atomic layer resolved scanning transmission electron microscopy with electron...

Congenital Absence of the Right Common Iliac Artery.

Radiology case reports

Dabydeen DA, Shabashov A, Shaffer K.
PMID: 27303500
Radiol Case Rep. 2015 Nov 06;3(1):47. doi: 10.2484/rcr.v3i1.47. eCollection 2008.

Cases of vascular anomalies of the iliac and femoral vessels are rare. We report a complete absence of the right common iliac artery in a 21-year-old woman, incidentally discovered by CT during the work-up for acute abdominal pain. A...

Ehlers-Danlos Syndrome Presenting as Severe Headache in a Young Adult.

Radiology case reports

Alcorn SR, Sorel MA, Auerbach S, Shaffer K.
PMID: 27303522
Radiol Case Rep. 2015 Dec 07;3(2):172. doi: 10.2484/rcr.v3i2.172. eCollection 2008.

A 27-year-old male with a positive family history of abdominal aortic aneurysm presented to his primary care physician and ultimately to the emergency department with the worst headache of his life and hypertension. An aneurysm of the right internal...

Autoimmune Pancreatitis Presenting with Mass and Biliary Obstruction.

Radiology case reports

Frank AA, Morse MD, Smith BR, Shaffer K.
PMID: 27303542
Radiol Case Rep. 2015 Nov 06;3(3):189. doi: 10.2484/rcr.v3i3.189. eCollection 2008.

We report a case of autoimmune pancreatitis in a 31-year-old man with signs and symptoms of biliary tract obstruction. Evaluation with sonography, computed tomography, and ultimately endoscopic retrograde cholangiopancreatography, demonstrated a 5 by 2 cm hypoechoic, hypodense mass near...

Erratum to: Impact of red blood cells count on the relationship between high density lipoproteins and the prevalence and extent of coronary artery disease: a single centre study.

Journal of thrombosis and thrombolysis

Schaffer A, Verdoia M, Cassetti E, Barbieri L, Perrone-Filardi P, Marino P, De Luca G.
PMID: 25800883
J Thromb Thrombolysis. 2015 Jul;40(1):69. doi: 10.1007/s11239-015-1206-6.

No abstract available.

Showing 1 to 12 of 603 entries