نتایج جستجو برای: materials evaluation

تعداد نتایج: 1227144  

Journal: :Science and engineering ethics 2014
Matthew W. Keefer Sara E. Wilson Harry Dankowicz Michael C. Loui

Recent research in ethics education shows a potentially problematic variation in content, curricular materials, and instruction. While ethics instruction is now widespread, studies have identified significant variation in both the goals and methods of ethics education, leaving researchers to conclude that many approaches may be inappropriately paired with goals that are unachievable. This paper...

Journal: :Technology and health care : official journal of the European Society for Engineering and Medicine 2005
Omer Gündogdu Kurt S Anderson Mohamad Parnianpour

Manual material handling (MMH) tasks were evaluated and compared under different lifting conditions. For the theoretical evaluations, a two-dimensional sagittally symmetric human-body model was established to compute the moment and joint load time histories for MMH tasks for a variety of different lift specifications and constraints such as lifting durations, loads, and modes. Nonlinear control...

2014
Debra J. Davidson Jeffrey Andrews Daniel Pauly

Concern for the increasing impact of human activities on Earth’s ecosystems has generated a growing effort to monitor those impacts and measure the success, if any, of mitigation measures. This contribution argues that ecological impact assessments that tend to rely primarily on the volume of natural resources produced and subsequently consumed overlook the degree to which ecological impact can...

2014
Dina Drits-Esser Kristin M. Bass Louisa A. Stark

How can researchers in K-12 contexts stay true to the principles of rigorous evaluation designs within the constraints of classroom settings and limited funding? This paper explores this question by presenting a small-scale randomized controlled trial (RCT) designed to test the efficacy of curricular supplemental materials on epigenetics. The researchers asked whether the curricular materials i...

Journal: :CBE life sciences education 2008
Alison Crowe Clarissa Dirks Mary Pat Wenderoth

We developed the Blooming Biology Tool (BBT), an assessment tool based on Bloom's Taxonomy, to assist science faculty in better aligning their assessments with their teaching activities and to help students enhance their study skills and metacognition. The work presented here shows how assessment tools, such as the BBT, can be used to guide and enhance teaching and student learning in a discipl...

Journal: :IEEE transactions on ultrasonics, ferroelectrics, and frequency control 2000
T R Howarth R Y Ting

An advanced configuration 1-3 piezocomposite, designated by its manufacturer as SonoPanel(TM), has been investigated for potential underwater acoustical applications. In-air electromechanical characteristics and in-water acoustical properties of the SonoPanel(TM) were experimentally examined. The in-air impedance measurement results showed the existence of parasitic modes in the composite panel...

Journal: :Psychophysiology 2017
Emily S Kappenman Andreas Keil

In recent years, the psychological and behavioral sciences have increased efforts to strengthen methodological practices and publication standards, with the ultimate goal of enhancing the value and reproducibility of published reports. These issues are especially important in the multidisciplinary field of psychophysiology, which yields rich and complex data sets with a large number of observat...

Journal: :Australian dental journal 2011
J R Kelly P Benetti

Dental ceramics are presented within a simplifying framework allowing for facile understanding of their development, composition and indications. Engineering assessments of clinical function are dealt with and literature is reviewed on the clinical behaviour of all-ceramic systems. Practical aspects are presented regarding the choice and use of dental ceramics to maximize aesthetics and durabil...

2016
Im-Jun Roh Yun Goo Lee Min-Su Kang Jae-Uk Lee Seung-Hyub Baek Seong Keun Kim Byeong-Kwon Ju Dow-Bin Hyun Jin-Sang Kim Beomjin Kwon

Accuracy of the Harman measurement largely depends on the heat transfer between the sample and its surroundings, so-called parasitic thermal effects (PTEs). Similar to the material evaluations, measuring thermoelectric modules (TEMs) is also affected by the PTEs especially when measuring under atmospheric condition. Here, we study the correction methods for the Harman measurements with systemat...

2004
Deng Jun

This paper discusses learner-centered approaches and evaluation in English language teaching and learning materials design. Based on the researches in this field, a framework is developed for the evaluation of learner-centered components contained in the materials. Thereafter, we apply the criteria to the assessment of two major English textbooks College English (1991) and Experiencing English ...

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